Update actions/upload-artifact action to v6 (#939)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

action.yml

@@ -123,7 +123,7 @@ runs:
         find . -name "*.$outputextension"
 
     - name: Upload ouputs as artifacts
-      uses: actions/upload-artifact@v5
+      uses: actions/upload-artifact@v6
       with:
         name: ${{ inputs.artifacts_name }}
         path: |