alpine-git-gke-aws-auth(deps): bump google/cloud-sdk (#12333)

Bumps google/cloud-sdk from 500.0.0 to 501.0.0.

---
updated-dependencies:
- dependency-name: google/cloud-sdk
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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images/alpine/git/gke-aws-auth/Dockerfile

@@ -1,4 +1,4 @@
-FROM google/cloud-sdk:500.0.0 AS base
+FROM google/cloud-sdk:501.0.0 AS base
 
 ARG AWS_IAM_AUTHENTICATOR_VERSION="0.6.11"
 RUN curl -fsSL \