Revert "Back to the latest google sdk version. "

This reverts commit ed49c9f.

Author: Jancis

Dockerfile

@@ -13,7 +13,8 @@ RUN sudo apt-get install vim
 
 # Add gcloud CLI
 RUN curl -sSL https://sdk.cloud.google.com | bash \
-  && rm -r /home/circleci/google-cloud-sdk/.install/.backup/ 
+  && rm -r /home/circleci/google-cloud-sdk/.install/.backup/ \
+  && /home/circleci/google-cloud-sdk/bin/gcloud components update --version 251.0.0 --quiet # rsync fails with gsutil 4.39 
 ENV PATH $PATH:/home/circleci/google-cloud-sdk/bin/
 
 # Add kubectl