chore(deps): bump the bundler group with 2 updates

Bumps the bundler group with 2 updates: [rbs](https://github.com/ruby/rbs) and [rdoc](https://github.com/ruby/rdoc).


Updates `rbs` from 3.9.0 to 3.9.1
- [Release notes](https://github.com/ruby/rbs/releases)
- [Changelog](https://github.com/ruby/rbs/blob/master/CHANGELOG.md)
- [Commits](ruby/rbs@v3.9.0...v3.9.1)

Updates `rdoc` from 6.12.0 to 6.13.0
- [Release notes](https://github.com/ruby/rdoc/releases)
- [Changelog](https://github.com/ruby/rdoc/blob/master/History.rdoc)
- [Commits](ruby/rdoc@v6.12.0...v6.13.0)

---
updated-dependencies:
- dependency-name: rbs
  dependency-type: direct:production
  update-type: version-update:semver-patch
  dependency-group: bundler
- dependency-name: rdoc
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: bundler
...

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

Author: dependabot[bot]

Gemfile.lock

@@ -220,9 +220,9 @@ GEM
     rb-fsevent (0.11.2)
     rb-inotify (0.11.1)
       ffi (~> 1.0)
-    rbs (3.9.0)
+    rbs (3.9.1)
       logger
-    rdoc (6.12.0)
+    rdoc (6.13.0)
       psych (>= 4.0.0)
     readline (0.0.4)
       reline