chore(deps): update docker/login-action action to v4 (#1560)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

.github/workflows/build-outline-role-sync.yml

@@ -48,7 +48,7 @@ jobs:
           persist-credentials: false
 
       - name: Login to GitHub Container Registry
-        uses: docker/login-action@c94ce9fb468520275223c153574b00df6fe4bcc9 # v3.7.0
+        uses: docker/login-action@4907a6ddec9925e35a0a9e82d7399ccc52663121 # v4.1.0
         if: ${{ !github.event.pull_request.head.repo.fork }}
         with:
           registry: ghcr.io