Gemfile.lock: Bump octokit from 8.1.0 to 9.0.0 in the major group

Bumps the major group with 1 update: [octokit](https://github.com/octokit/octokit.rb).


Updates `octokit` from 8.1.0 to 9.0.0
- [Release notes](https://github.com/octokit/octokit.rb/releases)
- [Changelog](https://github.com/octokit/octokit.rb/blob/main/RELEASE.md)
- [Commits](octokit/octokit.rb@v8.1.0...v9.0.0)

---
updated-dependencies:
- dependency-name: octokit
  dependency-type: direct:production
  update-type: version-update:semver-major
  dependency-group: major
...

Signed-off-by: dependabot[bot] <[email protected]>

Gemfile.lock

@@ -31,8 +31,7 @@ GEM
     net-http (0.4.1)
       uri
     nio4r (2.7.3)
-    octokit (8.1.0)
-      base64
+    octokit (9.0.0)
       faraday (>= 1, < 3)
       sawyer (~> 0.9)
     parallel (1.25.1)