Bump rdoc from 6.3.3 to 6.3.4.1 (#7364)

Bumps [rdoc](https://github.com/ruby/rdoc) from 6.3.3 to 6.3.4.1.
- [Release notes](https://github.com/ruby/rdoc/releases)
- [Changelog](https://github.com/ruby/rdoc/blob/master/History.rdoc)
- [Commits](https://github.com/ruby/rdoc/compare/v6.3.3...v6.3.4.1)

---
updated-dependencies:
- dependency-name: rdoc
  dependency-type: indirect
...

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Gemfile.lock

@@ -568,7 +568,7 @@ GEM
     rb-fsevent (0.11.2)
     rb-inotify (0.10.1)
       ffi (~> 1.0)
-    rdoc (6.3.3)
+    rdoc (6.3.4.1)
     recaptcha (5.14.0)
     regexp_parser (2.8.1)
     responders (3.1.1)