Try another ref

Author: BrunoQuaresma

.github/workflows/ci.yaml

@@ -54,7 +54,7 @@ jobs:
       - name: Checkout
         uses: actions/checkout@v3
         with:
-          ref: ${{ github.event.event_name == 'pull_request' && github.event.pull_request.head.sha || github.sha }}
+          ref: ${{ github.event.pull_request.head.sha }}
 
       - name: Echo Go Cache Paths
         id: go-cache-paths