Update pr.yml

Author: shdwmtr

.github/workflows/pr.yml

@@ -90,7 +90,7 @@ jobs:
           echo "::notice::Successfully built plugin."
 
       - name: Upload Plugin
-        uses: actions/upload-artifact@v2
+        uses: actions/upload-artifact@v4
         with:
           name: build
           path: dist/build.zip