Merge pull request #6064 from learningequality/dependabot/github_actions/docker/login-action-4.5.1

chore(deps): bump docker/login-action from 4 to 4.5.1

Author: rtibbles

.github/workflows/containerbuild.yml

@@ -46,7 +46,7 @@ jobs:
 
     - name: Log in to Docker Hub
       if: github.event_name != 'pull_request'
-      uses: docker/login-action@v4
+      uses: docker/login-action@v4.5.1
       with:
         registry: ghcr.io
         username: ${{ github.actor }}