build(deps): bump docker/login-action from 3.3.0 to 3.4.0

Bumps [docker/login-action](https://github.com/docker/login-action) from 3.3.0 to 3.4.0.
- [Release notes](https://github.com/docker/login-action/releases)
- [Commits](https://github.com/docker/login-action/compare/9780b0c442fbb1117ed29e0efdff1e18412f7567...74a5d142397b4f367a81961eba4e8cd7edddf772

)

---
updated-dependencies:
- dependency-name: docker/login-action
  dependency-version: 3.4.0
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

.github/workflows/build-container.yml

@@ -27,7 +27,7 @@ jobs:
       - name: Set up Docker Buildx
         uses: docker/setup-buildx-action@v3
       - name: Log in to the Container registry
-        uses: docker/login-action@9780b0c442fbb1117ed29e0efdff1e18412f7567
+        uses: docker/login-action@74a5d142397b4f367a81961eba4e8cd7edddf772
         if: ${{ github.repository_owner == 'freifunk-gluon' && github.event_name == 'push' }}
         with:
           registry: ${{ env.REGISTRY }}