Test docker publish works correctly

Author: KianW-DfE

.github/workflows/build.yml

@@ -73,7 +73,7 @@ jobs:
           path: TestResults/Merged/SummaryGithub.md
 
       - name: Log in to GHCR
-        if: ${{ github.event_name == 'push' }}
+#        if: ${{ github.event_name == 'push' }}
         uses: docker/login-action@v4
         with:
           registry: ghcr.io