Bump cross-spawn, @octokit/rest and eslint

Bumps [cross-spawn](https://github.com/moxystudio/node-cross-spawn) to 7.0.5 and updates ancestor dependencies [cross-spawn](https://github.com/moxystudio/node-cross-spawn), [@octokit/rest](https://github.com/octokit/rest.js) and [eslint](https://github.com/eslint/eslint). These dependencies need to be updated together.


Updates `cross-spawn` from 6.0.5 to 7.0.5
- [Changelog](https://github.com/moxystudio/node-cross-spawn/blob/master/CHANGELOG.md)
- [Commits](moxystudio/node-cross-spawn@v6.0.5...v7.0.5)

Updates `@octokit/rest` from 17.9.2 to 21.0.2
- [Release notes](https://github.com/octokit/rest.js/releases)
- [Commits](octokit/rest.js@v17.9.2...v21.0.2)

Updates `eslint` from 6.8.0 to 9.15.0
- [Release notes](https://github.com/eslint/eslint/releases)
- [Changelog](https://github.com/eslint/eslint/blob/main/CHANGELOG.md)
- [Commits](eslint/eslint@v6.8.0...v9.15.0)

---
updated-dependencies:
- dependency-name: cross-spawn
  dependency-type: indirect
- dependency-name: "@octokit/rest"
  dependency-type: direct:production
- dependency-name: eslint
  dependency-type: direct:development
...

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