build(deps): Bump google/cloud-sdk from 4bcc272 to 1969fea (#1778)

Bumps google/cloud-sdk from `4bcc272` to `1969fea`.

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

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

Dockerfile.pubsub-emulator

@@ -1,3 +1,3 @@
 # gcloud sdk for pubsub emulator with netcat added for the startup health check
-FROM google/cloud-sdk:451.0.0@sha256:4bcc272a0cdbdd97b6bc8b8400e101f5fba388e304925bdfd3e79762cb2f656a
+FROM google/cloud-sdk:451.0.0@sha256:1969fea02784de69e3684deb5f800896cb6f56f206398bff19484d8cf884e7af
 RUN apt-get install -y netcat