ci: bump gradle/actions from 5 to 6 in the gradle-actions group

.github/workflows/a2a-tck-test.yml

@@ -39,7 +39,7 @@ jobs:
           distribution: ${{ env.JAVA_DISTRIBUTION }}
 
       - name: Setup Gradle
-        uses: gradle/actions/setup-gradle@v5
+        uses: gradle/actions/setup-gradle@v6
 
       - name: Set up Python 3.12
         uses: actions/setup-python@v6

.github/workflows/build-xcframework.yml

@@ -78,7 +78,7 @@ jobs:
           repositories: koog-spm
 
       - name: Setup Gradle
-        uses: gradle/actions/setup-gradle@v5
+        uses: gradle/actions/setup-gradle@v6
         with:
           cache-read-only: false
 

.github/workflows/checks.yml

@@ -65,7 +65,7 @@ jobs:
       # Configure Gradle for optimal use in GitHub Actions, including caching of downloaded dependencies.
       # See: https://github.com/gradle/actions/blob/main/setup-gradle/README.md
       - name: Setup Gradle
-        uses: gradle/actions/setup-gradle@v5
+        uses: gradle/actions/setup-gradle@v6
 
       - name: Assemble with Gradle Wrapper
         run: ./gradlew assemble ktlintCheck
@@ -132,7 +132,7 @@ jobs:
       # Configure Gradle for optimal use in GitHub Actions, including caching of downloaded dependencies.
       # See: https://github.com/gradle/actions/blob/main/setup-gradle/README.md
       - name: Setup Gradle
-        uses: gradle/actions/setup-gradle@v5
+        uses: gradle/actions/setup-gradle@v6
 
       - name: JvmTest with Gradle Wrapper and Kover coverage
         if: matrix.os == 'ubuntu-latest'
@@ -206,7 +206,7 @@ jobs:
         with:
           distribution: ${{ env.JAVA_DISTRIBUTION }}
           java-version: ${{ env.JAVA_VERSION }}
-      - uses: gradle/actions/setup-gradle@v5
+      - uses: gradle/actions/setup-gradle@v6
       - name: Verify code snippets in docs
         run: |
           echo "Starting knit generation..."
@@ -234,7 +234,7 @@ jobs:
         with:
           distribution: ${{ env.JAVA_DISTRIBUTION }}
           java-version: ${{ env.JAVA_VERSION }}
-      - uses: gradle/actions/setup-gradle@v5
+      - uses: gradle/actions/setup-gradle@v6
       - name: Generate API docs
         run: |
           ./gradlew dokkaGenerate

.github/workflows/code-agent-examples.yml

@@ -69,7 +69,7 @@ jobs:
       # Configure Gradle for optimal use in GitHub Actions, including caching of downloaded dependencies.
       # See: https://github.com/gradle/actions/blob/main/setup-gradle/README.md
       - name: Setup Gradle
-        uses: gradle/actions/setup-gradle@v5
+        uses: gradle/actions/setup-gradle@v6
         with:
           # Cache downloaded JDKs/konan in addition to the default directories.
           gradle-home-cache-includes: |

.github/workflows/demo-compose-app.yml

@@ -47,7 +47,7 @@ jobs:
       # Configure Gradle for optimal use in GitHub Actions, including caching of downloaded dependencies.
       # See: https://github.com/gradle/actions/blob/main/setup-gradle/README.md
       - name: Setup Gradle
-        uses: gradle/actions/setup-gradle@v5
+        uses: gradle/actions/setup-gradle@v6
         with:
           # Cache downloaded JDKs/konan in addition to the default directories.
           gradle-home-cache-includes: |

.github/workflows/dependency-submission.yml

@@ -24,4 +24,4 @@ jobs:
           java-version: 21
           cache: 'gradle'
       - name: Generate and submit dependency graph
-        uses: gradle/actions/dependency-submission@v5
+        uses: gradle/actions/dependency-submission@v6

.github/workflows/heavy-tests.yml

@@ -83,7 +83,7 @@ jobs:
       # Configure Gradle for optimal use in GitHub Actions, including caching of downloaded dependencies.
       # See: https://github.com/gradle/actions/blob/main/setup-gradle/README.md
       - name: Setup Gradle
-        uses: gradle/actions/setup-gradle@v5
+        uses: gradle/actions/setup-gradle@v6
 
       - name: Configure AWS credentials via OIDC
         uses: aws-actions/configure-aws-credentials@v6

.github/workflows/java-api-example.yml

@@ -35,7 +35,7 @@ jobs:
       # Configure Gradle for optimal use in GitHub Actions, including caching of downloaded dependencies.
       # See: https://github.com/gradle/actions/blob/main/setup-gradle/README.md
       - name: Setup Gradle
-        uses: gradle/actions/setup-gradle@v5
+        uses: gradle/actions/setup-gradle@v6
 
       - name: Assemble
         working-directory: ./examples/koog-java-api-example

.github/workflows/javaone-2026.yml

@@ -35,7 +35,7 @@ jobs:
       # Configure Gradle for optimal use in GitHub Actions, including caching of downloaded dependencies.
       # See: https://github.com/gradle/actions/blob/main/setup-gradle/README.md
       - name: Setup Gradle
-        uses: gradle/actions/setup-gradle@v5
+        uses: gradle/actions/setup-gradle@v6
 
       - name: Assemble
         working-directory: ./examples/javaone-2026

.github/workflows/ollama-tests.yml

@@ -87,7 +87,7 @@ jobs:
       # Configure Gradle for optimal use in GitHub Actions, including caching of downloaded dependencies.
       # See: https://github.com/gradle/actions/blob/main/setup-gradle/README.md
       - name: Setup Gradle
-        uses: gradle/actions/setup-gradle@v5
+        uses: gradle/actions/setup-gradle@v6
 
       - name: Check disk space before tests
         run: |

.github/workflows/simple-examples-java.yml

@@ -57,7 +57,7 @@ jobs:
       # Configure Gradle for optimal use in GitHub Actions, including caching of downloaded dependencies.
       # See: https://github.com/gradle/actions/blob/main/setup-gradle/README.md
       - name: Setup Gradle
-        uses: gradle/actions/setup-gradle@v5
+        uses: gradle/actions/setup-gradle@v6
         with:
           # Cache downloaded JDKs/konan in addition to the default directories.
           gradle-home-cache-includes: |
@@ -94,7 +94,7 @@ jobs:
       # Configure Gradle for optimal use in GitHub Actions, including caching of downloaded dependencies.
       # See: https://github.com/gradle/actions/blob/main/setup-gradle/README.md
       - name: Setup Gradle
-        uses: gradle/actions/setup-gradle@v5
+        uses: gradle/actions/setup-gradle@v6
         with:
           # Cache downloaded JDKs/konan in addition to the default directories.
           gradle-home-cache-includes: |

.github/workflows/simple-examples.yml

@@ -57,7 +57,7 @@ jobs:
       # Configure Gradle for optimal use in GitHub Actions, including caching of downloaded dependencies.
       # See: https://github.com/gradle/actions/blob/main/setup-gradle/README.md
       - name: Setup Gradle
-        uses: gradle/actions/setup-gradle@v5
+        uses: gradle/actions/setup-gradle@v6
         with:
           # Cache downloaded JDKs/konan in addition to the default directories.
           gradle-home-cache-includes: |
@@ -94,7 +94,7 @@ jobs:
       # Configure Gradle for optimal use in GitHub Actions, including caching of downloaded dependencies.
       # See: https://github.com/gradle/actions/blob/main/setup-gradle/README.md
       - name: Setup Gradle
-        uses: gradle/actions/setup-gradle@v5
+        uses: gradle/actions/setup-gradle@v6
         with:
           # Cache downloaded JDKs/konan in addition to the default directories.
           gradle-home-cache-includes: |

.github/workflows/springio-example-kotlin.yml

@@ -35,7 +35,7 @@ jobs:
       # Configure Gradle for optimal use in GitHub Actions, including caching of downloaded dependencies.
       # See: https://github.com/gradle/actions/blob/main/setup-gradle/README.md
       - name: Setup Gradle
-        uses: gradle/actions/setup-gradle@v5
+        uses: gradle/actions/setup-gradle@v6
 
       - name: Assemble
         working-directory: ./examples/spring-io-2026/kotlin

.github/workflows/trip-planning-example.yml

@@ -34,7 +34,7 @@ jobs:
       # Configure Gradle for optimal use in GitHub Actions, including caching of downloaded dependencies.
       # See: https://github.com/gradle/actions/blob/main/setup-gradle/README.md
       - name: Setup Gradle
-        uses: gradle/actions/setup-gradle@v5
+        uses: gradle/actions/setup-gradle@v6
 
       - name: Assemble
         working-directory: ./examples/trip-planning-example