Bump rdoc from 6.3.2 to 6.3.4.1

Bumps [rdoc](https://github.com/ruby/rdoc) from 6.3.2 to 6.3.4.1.
- [Release notes](https://github.com/ruby/rdoc/releases)
- [Changelog](https://github.com/ruby/rdoc/blob/master/History.rdoc)
- [Commits](ruby/rdoc@v6.3.2...v6.3.4.1)

---
updated-dependencies:
- dependency-name: rdoc
  dependency-type: direct:development
...

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

Gemfile.lock

@@ -14,87 +14,48 @@ GEM
       tzinfo (~> 2.0)
       zeitwerk (~> 2.3)
     ast (2.4.2)
-    backport (1.2.0)
-    benchmark (0.2.1)
     concurrent-ruby (1.2.2)
-    diff-lcs (1.5.0)
     docile (1.4.0)
-    e2mmap (0.1.0)
     i18n (1.14.1)
       concurrent-ruby (~> 1.0)
     irb (1.0.0)
-    jaro_winkler (1.5.6)
-    json (2.6.3)
-    kramdown (2.4.0)
-      rexml
-    kramdown-parser-gfm (1.1.0)
-      kramdown (~> 2.0)
-    language_server-protocol (3.17.0.3)
-    mini_portile2 (2.8.4)
     minitest (5.18.0)
-    nokogiri (1.15.3)
-      mini_portile2 (~> 2.8.2)
-      racc (~> 1.4)
-    parallel (1.23.0)
-    parser (3.2.2.3)
+    mustermann (2.0.2)
+      ruby2_keywords (~> 0.0.1)
+    parser (2.7.2.0)
       ast (~> 2.4.1)
-      racc
-    racc (1.7.1)
-    rainbow (3.1.1)
+    rack (2.2.9)
+    rack-protection (2.2.4)
+      rack
     rake (13.0.6)
-    rbs (2.8.4)
-    rdoc (6.3.2)
-    regexp_parser (2.8.1)
-    reverse_markdown (2.1.1)
-      nokogiri
-    rexml (3.2.6)
-    rubocop (1.55.0)
-      json (~> 2.3)
-      language_server-protocol (>= 3.17.0)
-      parallel (~> 1.10)
-      parser (>= 3.2.2.3)
-      rainbow (>= 2.2.2, < 4.0)
-      regexp_parser (>= 1.8, < 3.0)
-      rexml (>= 3.2.5, < 4.0)
-      rubocop-ast (>= 1.28.1, < 2.0)
-      ruby-progressbar (~> 1.7)
-      unicode-display_width (>= 2.4.0, < 3.0)
-    rubocop-ast (1.29.0)
-      parser (>= 3.2.1.0)
-    ruby-progressbar (1.13.0)
+    rdoc (6.3.4.1)
+    ruby2_keywords (0.0.5)
     simplecov (0.21.2)
       docile (~> 1.1)
       simplecov-html (~> 0.11)
       simplecov_json_formatter (~> 0.1)
     simplecov-html (0.12.3)
     simplecov-lcov (0.8.0)
     simplecov_json_formatter (0.1.3)
-    solargraph (0.49.0)
-      backport (~> 1.2)
-      benchmark
-      bundler (~> 2.0)
-      diff-lcs (~> 1.4)
-      e2mmap
-      jaro_winkler (~> 1.5)
-      kramdown (~> 2.3)
-      kramdown-parser-gfm (~> 1.1)
-      parser (~> 3.0)
-      rbs (~> 2.0)
-      reverse_markdown (~> 2.0)
-      rubocop (~> 1.38)
-      thor (~> 1.0)
+    sinatra (2.2.4)
+      mustermann (~> 2.0)
+      rack (~> 2.2)
+      rack-protection (= 2.2.4)
       tilt (~> 2.0)
-      yard (~> 0.9, >= 0.9.24)
+    solargraph (0.13.0)
+      parser (~> 2.4)
+      sinatra (~> 2)
+      thor (~> 0.19, >= 0.19.4)
+      yard (~> 0.9)
     sync (0.5.0)
     term-ansicolor (1.7.1)
       tins (~> 1.0)
-    thor (1.2.2)
+    thor (0.20.3)
     tilt (2.2.0)
     tins (1.29.1)
       sync
     tzinfo (2.0.5)
       concurrent-ruby (~> 1.0)
-    unicode-display_width (2.4.2)
     yard (0.9.34)
     zeitwerk (2.6.11)