alpine-git-gke-aws-auth(deps): bump google/cloud-sdk (#12502)

Bumps google/cloud-sdk from 504.0.1 to 505.0.0.

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

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

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

@@ -1,4 +1,4 @@
-FROM google/cloud-sdk:504.0.1 AS base
+FROM google/cloud-sdk:505.0.0 AS base
 
 ARG AWS_IAM_AUTHENTICATOR_VERSION="0.6.11"
 RUN curl -fsSL \