chore(deps): update actions/upload-artifact action to v6

Author: renovate[bot]

.github/workflows/build.yml

@@ -78,7 +78,7 @@ jobs:
         run: ./gradlew clean assemble
       - name: Archive Build Artifacts
         id: archive
-        uses: actions/upload-artifact@v5
+        uses: actions/upload-artifact@v6
         with:
           name: build-artifacts-${{ matrix.name }}-${{ github.run_id }}
           path: |
@@ -146,7 +146,7 @@ jobs:
       - name: Archive Test Artifacts
         if: success() || failure()
         id: archive
-        uses: actions/upload-artifact@v5
+        uses: actions/upload-artifact@v6
         with:
           name: test-artifacts-${{ matrix.name }}-${{ github.run_id }}
           path: |