Merge pull request #260 from lnis-uofu/gg_ci_cd_dev

[CI/CD] Skipped container login if branch is not master

.github/workflows/build.yml

@@ -181,6 +181,7 @@ jobs:
       - name: Set up Docker Buildx
         uses: docker/setup-buildx-action@v1
       - name: Login to GitHub Container Registry
+        if: ${{ github.ref == 'refs/heads/master' || needs.change_detect.outputs.force_upload }}
         uses: docker/login-action@v1
         with:
           registry: ghcr.io