Update actions/upload-artifact action to v6

Author: renovate[bot]

.github/workflows/test.yml

@@ -82,7 +82,7 @@ jobs:
 
       - name: Upload logs as artifacts
         if: always()
-        uses: actions/upload-artifact@v5
+        uses: actions/upload-artifact@v6
         with:
           name: ${{github.job}}-logs-${{ matrix.php-versions }}
           path: .logs