NOISSUE bump docker to v27

.gitlab-ci.yml

@@ -71,9 +71,9 @@ include:
 
 build_docker:
   needs: ['cache_lint_test']
-  image: 'europe-north1-docker.pkg.dev/holi-shared/docker-hub-remote/docker:20.10'
+  image: 'europe-north1-docker.pkg.dev/holi-shared/docker-hub-remote/docker:27'
   services:
-    - docker:20.10-dind
+    - 'docker:27-dind'
   variables:
     # this could be fetched via terraform output ("gcr_location" in infra project), but then we would need an extra job for terraform
     GCR_IMAGE: europe-north1-docker.pkg.dev/holi-shared/docker/holi-donations-api