chore(deps): update dependency @octokit/rest to v21

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
@octokit/rest	^20.0.0 -> ^21.0.0

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Release Notes

octokit/rest.js (@​octokit/rest)

### [`v21.0.2`](https://redirect.github.com/octokit/rest.js/releases/tag/v21.0.2) [Compare Source](https://redirect.github.com/octokit/rest.js/compare/v21.0.1...v21.0.2) ##### Bug Fixes - **docs:** update to react 18 and latest gatsby deps ([#​462](https://redirect.github.com/octokit/rest.js/issues/462)) ([9a80f06](https://redirect.github.com/octokit/rest.js/commit/9a80f0607ecd1054e9c3dcce114dfc3ed8f762e7)), closes [#​216](https://redirect.github.com/octokit/rest.js/issues/216) [#​230](https://redirect.github.com/octokit/rest.js/issues/230) [#​460](https://redirect.github.com/octokit/rest.js/issues/460) ### [`v21.0.1`](https://redirect.github.com/octokit/rest.js/releases/tag/v21.0.1) [Compare Source](https://redirect.github.com/octokit/rest.js/compare/v21.0.0...v21.0.1) ##### Bug Fixes - update deps ([#​456](https://redirect.github.com/octokit/rest.js/issues/456)) ([93d5afb](https://redirect.github.com/octokit/rest.js/commit/93d5afb3433ae30e76f22f06e42067bada959b6e)) ### [`v21.0.0`](https://redirect.github.com/octokit/rest.js/releases/tag/v21.0.0) [Compare Source](https://redirect.github.com/octokit/rest.js/compare/v20.1.1...v21.0.0) ##### Features - v21 ([#​413](https://redirect.github.com/octokit/rest.js/issues/413)) ([12b6c65](https://redirect.github.com/octokit/rest.js/commit/12b6c6521dc767a8c127fbbfcc74b0c76d1ab056)) ##### BREAKING CHANGES - package is now ESM

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