Update actions/upload-artifact action to v6

Author: renovate[bot]

.github/workflows/build.yml

@@ -49,7 +49,7 @@ jobs:
         uses: github/codeql-action/upload-sarif@v3
         with:
           sarif_file: mobsfscan.sarif
-      - uses: actions/upload-artifact@v4
+      - uses: actions/upload-artifact@v6
         with:
           name: mobsfscan.sarif
           path: mobsfscan.sarif