Bump octokit from 8.0.0 to 8.1.0

Bumps [octokit](https://github.com/octokit/octokit.rb) from 8.0.0 to 8.1.0.
- [Release notes](https://github.com/octokit/octokit.rb/releases)
- [Changelog](https://github.com/octokit/octokit.rb/blob/main/RELEASE.md)
- [Commits](octokit/octokit.rb@v8.0.0...v8.1.0)

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

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

Gemfile.lock

@@ -11,7 +11,7 @@ GEM
       minitest (>= 5.1)
       mutex_m
       tzinfo (~> 2.0)
-    addressable (2.8.5)
+    addressable (2.8.6)
       public_suffix (>= 2.0.2, < 6.0)
     airbrake-ruby (6.2.2)
       rbtree3 (~> 0.6)
@@ -40,14 +40,15 @@ GEM
     mutex_m (0.2.0)
     net-http (0.4.1)
       uri
-    octokit (8.0.0)
+    octokit (8.1.0)
+      base64
       faraday (>= 1, < 3)
       sawyer (~> 0.9)
     parallel (1.24.0)
     parser (3.3.0.5)
       ast (~> 2.4.1)
       racc
-    public_suffix (5.0.3)
+    public_suffix (5.0.4)
     racc (1.7.3)
     rack (3.0.8)
     rainbow (3.1.1)