chore: bump octokit in /scripts/approve-dependabot-deploys (#291)

Bumps [octokit](https://github.com/octokit/octokit.js) from 2.0.7 to 3.1.2. - [Release notes](https://github.com/octokit/octokit.js/releases) - [Commits](octokit/octokit.js@v2.0.7...v3.1.2) --- updated-dependencies: - dependency-name: octokit dependency-type: direct:production ... Signed-off-by: dependabot[bot] <support@github.com> Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]