Bump @octokit/request-error and @octokit/graphql

Bumps [@octokit/request-error](https://github.com/octokit/request-error.js) to 5.1.1 and updates ancestor dependency [@octokit/graphql](https://github.com/octokit/graphql.js). These dependencies need to be updated together.


Updates `@octokit/request-error` from 5.0.1 to 5.1.1
- [Release notes](https://github.com/octokit/request-error.js/releases)
- [Commits](octokit/request-error.js@v5.0.1...v5.1.1)

Updates `@octokit/graphql` from 5.0.6 to 8.2.1
- [Release notes](https://github.com/octokit/graphql.js/releases)
- [Commits](octokit/graphql.js@v5.0.6...v8.2.1)

---
updated-dependencies:
- dependency-name: "@octokit/request-error"
  dependency-type: indirect
- dependency-name: "@octokit/graphql"
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]