Bump google.com/cloudsdktool/google-cloud-cli (#206)

Bumps google.com/cloudsdktool/google-cloud-cli from 558.0.0-emulators to 561.0.0-emulators.

---
updated-dependencies:
- dependency-name: google.com/cloudsdktool/google-cloud-cli
  dependency-version: 561.0.0-emulators
  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>

Author: dependabot[bot]

docker/images/pubsub-emulator/Dockerfile

@@ -1,3 +1,3 @@
 # Define this image outside of docker-compose.yml so that it gets dependabot updates
-FROM gcr.io/google.com/cloudsdktool/google-cloud-cli:558.0.0-emulators@sha256:ecfd2ecd3c2bcb66a95920f97c6b26247108009f63bc15c7213dc70c78c412c8
+FROM gcr.io/google.com/cloudsdktool/google-cloud-cli:561.0.0-emulators@sha256:6c778b499a1fc199c3b84db5c19e7db0d41ebe8166cd1243c19a38b4b826b427
 # also available as google/cloud-sdk:<version>-emulators