build(deps): bump bazel-contrib/setup-bazel in the github-actions group

Bumps the github-actions group with 1 update: [bazel-contrib/setup-bazel](https://github.com/bazel-contrib/setup-bazel).


Updates `bazel-contrib/setup-bazel` from 0.18.0 to 0.19.0
- [Release notes](https://github.com/bazel-contrib/setup-bazel/releases)
- [Commits](bazel-contrib/setup-bazel@0.18.0...0.19.0)

---
updated-dependencies:
- dependency-name: bazel-contrib/setup-bazel
  dependency-version: 0.19.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: github-actions
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

.github/workflows/amd64_windows_bazel.yml

@@ -47,7 +47,7 @@ jobs:
           python-version: ${{matrix.python.version}}
       - name: Check Python
         run: python --version
-      - uses: bazel-contrib/setup-bazel@0.18.0
+      - uses: bazel-contrib/setup-bazel@0.19.0
       - name: Check Bazel
         run: bazel version
       - name: Restore bazel cache

.github/workflows/presubmit.yml

@@ -36,7 +36,7 @@ jobs:
     - uses: actions/setup-python@v6
       with:
         python-version: ${{env.PYTHON_VERSION}}
-    - uses: bazel-contrib/setup-bazel@0.18.0
+    - uses: bazel-contrib/setup-bazel@0.19.0
     - name: Build
       run: bazel test --config=ci //ortools/...
       shell: bash