Merge branch '27-gcloud-sdk-272.0.0' into 'master'

Update Google Cloud SDK to 272.0.0

Closes #27

See merge request tnir/docs.djangoproject.jp!22

Author: tnir

.gitlab-ci.yml

@@ -31,7 +31,7 @@ pages:
   - master
 
 deploy:
-  image: google/cloud-sdk:241.0.0
+  image: google/cloud-sdk:272.0.0
   stage: deploy
   script:
   - gcloud app deploy --no-promote