Update actions/upload-artifact action to v3 (#521)

Co-authored-by: Renovate Bot <bot@renovateapp.com>

Author: renovate[bot]

.github/workflows/ci.yml

@@ -50,7 +50,7 @@ jobs:
 
     - name: Upload ASF-WebConfigGenerator
       continue-on-error: true
-      uses: actions/upload-artifact@v2.3.1
+      uses: actions/upload-artifact@v3.0.0
       with:
         name: ${{ matrix.os }}_ASF-WebConfigGenerator
         path: docs