💡 [REQUEST] - Fix warnings in cloudrun job in release workflow

[lvaylet]

Summary

The latest cloudrun job in the deploy workflow for release 2.3.4 reported 3 warnings that should be fixed before they turn into errors in future releases.

https://github.com/google/slo-generator/actions/runs/4281247944

Basic Example

• Node.js 12 actions are deprecated. Please update the following actions to use Node.js 16: tomchv/[email protected]. For more information see: https://github.blog/changelog/2022-09-22-github-actions-all-actions-will-begin-running-on-node16-instead-of-node12/.
• The set-output command is deprecated and will be disabled soon. Please upgrade to using Environment Files. For more information see: https://github.blog/changelog/2022-10-11-github-actions-deprecating-save-state-and-set-output-commands/
• "service_account_key" has been deprecated. Please switch to using google-github-actions/auth which supports both Workload Identity Federation and Service Account Key JSON authentication. For more details, see https://github.com/google-github-actions/setup-gcloud#authorization

Screenshots

![DESCRIPTION](LINK.png)

Drawbacks

None identified.

Unresolved questions

No response

Code of Conduct

• I agree to follow this project's Code of Conduct

[lvaylet]

Partially fixed by #386.

Not sure how to fix the first two warnings. They depend on the tomchv/[email protected] GitHub Action, and it looks like it is not actively maintained.