chore: pin actions/upload-artifact to v 4.4.3 (#8666)

Author: begonaalvarezd

.github/workflows/build-and-release-desktop.yml

@@ -193,7 +193,8 @@ jobs:
               if: matrix.os == 'windows-2019'
 
             - name: Upload artifacts
-              uses: actions/upload-artifact@v2
+              uses: actions/upload-artifact@b4b15b8c7c6ac21ea08fcf65892d2ee8f75cf882 # v4.4.3
+
               with:
                   name: firefly-desktop-${{ matrix.os }}
                   path: |

.github/workflows/build-desktop-test.v1.yml

@@ -178,7 +178,8 @@ jobs:
         if: matrix.os == 'windows-2019'
 
       - name: Upload artifacts
-        uses: actions/upload-artifact@v2
+        uses: actions/upload-artifact@b4b15b8c7c6ac21ea08fcf65892d2ee8f75cf882 # v4.4.3
+
         with:
           name: firefly-desktop-${{ matrix.os }}
           path: |

.github/workflows/build-desktop.yml

@@ -165,7 +165,8 @@ jobs:
               if: matrix.os == 'windows-2019'
 
             - name: Upload artifacts
-              uses: actions/upload-artifact@v2
+              uses: actions/upload-artifact@b4b15b8c7c6ac21ea08fcf65892d2ee8f75cf882 # v4.4.3
+
               with:
                   name: firefly-${{ env.NETWORK_CODE }}-desktop-${{ matrix.os }}
                   path: |