CI(deps): Update actions/upload-artifact action to v4.6.1 (OSGeo#5246)

Author: renovate[bot]

.github/workflows/documentation.yml

@@ -139,15 +139,15 @@ jobs:
           mkdocs build
 
       - name: Make logs available
-        uses: actions/upload-artifact@65c4c4a1ddee5b72f698fdd19549f0f0fb45cf08 # v4.6.0
+        uses: actions/upload-artifact@4cec3d8aa04e39d1a68397de0c4cd6fb9dce8ec1 # v4.6.1
         with:
           name: grass-addon-build-logs
           if-no-files-found: error
           path: addons-build-dir/logs
           retention-days: 3
 
       - name: Make the result available
-        uses: actions/upload-artifact@65c4c4a1ddee5b72f698fdd19549f0f0fb45cf08 # v4.6.0
+        uses: actions/upload-artifact@4cec3d8aa04e39d1a68397de0c4cd6fb9dce8ec1 # v4.6.1
         with:
           name: mkdocs-site
           if-no-files-found: error