Bump rdoc from 4.2.2 to 6.3.2

[dependabot[bot]]

Bumps rdoc from 4.2.2 to 6.3.2.

Changelog

Sourced from rdoc's changelog.

=== 5.1.0 / 2017-02-24

• Bug fixes

  • Fix an issue that rdoc fails when running on Windows with RUBYOPT=-U. PR #430 by Toshihiko Ichida

• Minor enhancements

  • Parse ruby 2.1 def. PR #436 by Akira Matsuda.
  • Suppress warnings in eval. PR #440 by Nobuyoshi Nakada.

=== 5.0.0 / 2016-11-05

• Major enhancements

  • Cleanup deprecated code targeted Ruby 1.8

• Bug fixes

  • Ensure badge data is included in result of JsonIndex template.
  • Ensure items in the nil section are displayed in HTML output. Issue #399 by Daniel Svensson.
  • Parse rb_intern_const correctly in C. PR #381 by Sho Hashimoto.
  • Fix broken assets caused by #335 when serving ri. PR #360 by Alex Wood.
  • Don't try to parse svg files. Issue #350 by Sigurd Svela.

• Minor enhancements

  • Improve class name expansion/resolution in ri. PR #400 by NARUSE, Yui
  • Improve performance of document generation. PR #397 by Yusuke Endoh.

=== 4.3.0 / 2016-11-04

• Minor enhancements
  • Removed json dependency for Ruby 2.4.0
  • End to support Ruby 1.8.x

Commits

• 3653bbc Bump version to 6.3.2
• ee48295 Update rdoc.gemspec by adding lib/rdoc/markup/table.rb
• 9307f93 Version 6.3.1
• a7f5d6a Use File.open to fix the OS Command Injection vulnerability in CVE-2021-31799
• 06112d5 Merge pull request #806 from kamipo/patch-1
• bf7e134 Fix typo Genrate -> Generate
• 9a3c1f1 Don't need to install bundler manually
• 39f9802 Use stable version of actions/checkout
• 2fdfbfe Merge pull request #803 from olleolleolle/patch-1
• f7145b8 CI: Use jruby-9.2.17.0
• Additional commits viewable in compare view

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