Update docker/login-action digest to 28fdb31

Author: renovate[bot]

.github/workflows/docker-publish.yml

@@ -53,7 +53,7 @@ jobs:
       # https://github.com/docker/login-action
       - name: Log into registry ${{ env.REGISTRY }}
         if: github.event_name != 'pull_request'
-        uses: docker/login-action@184bdaa0721073962dff0199f1fb9940f07167d1
+        uses: docker/login-action@28fdb31ff34708d19615a74d67103ddc2ea9725c
         with:
           registry: ${{ env.REGISTRY }}
           username: ${{ github.actor }}