set up git auth in tag workflow

Author: peter-rauscher

.github/workflows/build-prod-image.yml

@@ -14,11 +14,17 @@ jobs:
         uses: actions/checkout@v3
         with:
           fetch-depth: 0 # Needed to fetch all tags
+          token: ${{ secrets.GITHUB_TOKEN }}
+
+      - name: Set up Git
+        run: |
+          git config --global user.email "github-actions[bot]@users.noreply.github.com"
+          git config --global user.name "github-actions[bot]"
 
       - name: Update latest tag on Github
         run: |
           git tag -f latest
-          git push origin latest
+          git push origin latest -f
 
       - name: Set up Docker Buildx
         uses: docker/setup-buildx-action@v2