Address code review feedback: fix typo and token consistency

Co-authored-by: neilime <314088+neilime@users.noreply.github.com>

Author: Copilot

.github/workflows/__test-action-docker-clean-images.yml

@@ -21,7 +21,7 @@ jobs:
     steps:
       - run: |
           if [ -z "${{ secrets.GITHUB_TOKEN }}" ]; then
-            echo "GitHub token secrets is not set"
+            echo "GitHub token secret is not set"
             exit 1
           fi
 
@@ -129,7 +129,7 @@ jobs:
         with:
           registry: ghcr.io
           username: ${{ github.repository_owner }}
-          password: ${{ github.token }}
+          password: ${{ secrets.GITHUB_TOKEN }}
 
       - name: Assert - Ensure main image tag didn't get deleted
         if: ${{ github.event_name == 'pull_request' }}