Update upload artifact to v4

Author: tobyash86

samples/run-dottest-analyzer-template.yml

@@ -101,7 +101,7 @@ jobs:
     # ---------------------------------------------------------------
     # Uploads an archive that includes all report files (.xml, .html, .sarif).
     - name: Upload report artifacts
-      uses: actions/upload-artifact@v3
+      uses: actions/upload-artifact@v4
       if: always()
       with:
         name: Report files