build(deps): bump docker/login-action

Bumps the docker-actions group with 1 update: [docker/login-action](https://github.com/docker/login-action).


Updates `docker/login-action` from 4.6.0 to 4.7.0
- [Release notes](https://github.com/docker/login-action/releases)
- [Commits](https://github.com/docker/login-action/compare/dbcb813823bdd20940b903addbd779551569679f...81c6f93d4bc991e510b342a00b419b3bb4efc5c6)

---
updated-dependencies:
- dependency-name: docker/login-action
  dependency-version: 4.7.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: docker-actions
...

Signed-off-by: dependabot[bot] <support@github.com>

.github/workflows/build-test-images.yml

@@ -149,7 +149,7 @@ jobs:
           scp -i $HOME/.ssh/id_rsa ${{ env.SSH_OPTS }} azureuser@${{ env.PUBLIC_IP }}:/Users/azureuser/.docker/key.pem $HOME/.docker/key.pem
 
       - name: Login to GitHub Container Registry
-        uses: docker/login-action@dbcb813823bdd20940b903addbd779551569679f # v4.6.0
+        uses: docker/login-action@81c6f93d4bc991e510b342a00b419b3bb4efc5c6 # v4.7.0
         with:
           registry: ghcr.io
           username: ${{ github.actor }}