Update to actions/upload-artifact@v4

Author: m13253

.github/workflows/go.yml

@@ -21,7 +21,7 @@ jobs:
         make
 
     - name: Upload Linux build
-      uses: actions/upload-artifact@v2
+      uses: actions/upload-artifact@v4
       with:
         name: linux-amd64
         path: |