no login on prs

Author: dminnear-rh

.github/workflows/docker-publish.yml

@@ -54,6 +54,7 @@ jobs:
       # Login against a Docker registry
       # https://github.com/docker/login-action
       - name: Log into registry ${{ env.REGISTRY }}
+        if: github.event_name != 'pull_request'
         uses: docker/login-action@184bdaa0721073962dff0199f1fb9940f07167d1 # v3.5.0
         with:
           registry: ${{ env.REGISTRY }}