ci: set ghcr login username

Author: igboyes

.github/workflows/ci.yml

@@ -65,6 +65,7 @@ jobs:
     - uses: docker/login-action@v1
       with:
         registry: ${{ env.REGISTRY }}
+        username: ${{ github.actor }}
         password: ${{ secrets.GITHUB_TOKEN }}
     - name: Extract Metadata
       id: meta
@@ -77,4 +78,4 @@ jobs:
         context: .
         push: true
         tags: ${{ steps.meta.outputs.tags }}
-        labels: ${{ steps.meta.outputs.labels }}
+        labels: ${{ steps.meta.outputs.labels }}