fix: upgrade multiple dependencies with Snyk

Snyk has created this PR to upgrade:
  - jsonwebtoken from 9.0.0 to 9.0.2.
    See this package in npm: https://www.npmjs.com/package/jsonwebtoken
  - @octokit/rest from 19.0.5 to 19.0.13.
    See this package in npm: https://www.npmjs.com/package/@octokit/rest
  - @octokit/webhooks from 10.6.0 to 10.9.2.
    See this package in npm: https://www.npmjs.com/package/@octokit/webhooks
  - release-please from 16.0.0 to 16.12.0.
    See this package in npm: https://www.npmjs.com/package/release-please

See this project in Snyk:
https://app.snyk.io/org/googlecloud-fD9E4u83kGB6j2zHM2NDFc/project/1c50b3fd-9b23-4b7d-b566-a0becdebe54d?utm_source=github&utm_medium=referral&page=upgrade-pr