try to fix breaking detect

.github/workflows/breaking-detect.yaml

@@ -20,6 +20,7 @@ jobs:
         uses: actions/checkout@v3
       - name: Breaking Change Brief
         run: |
+          docker pull mcr.microsoft.com/azterraform:latest
           change=$(docker run --rm -t -v $(pwd):/src -w /src mcr.microsoft.com/azterraform:latest breaking_detect /src ${{ github.repository_owner }} ${{ github.event.repository.name }} ${{ github.base_ref }})
           if [ ! -z "$change" ]; then
             msg=$(printf "Potential Breaking Changes in ${{ github.event.pull_request.head.sha }}:\n${change}")