Update dependency rdoc to v6.7.0

This MR contains the following updates:

Package	Type	Update	Change
rdoc (source, changelog)	ironbank-rubygems	minor	6.6.3.1 -> 6.7.0

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Release Notes

ruby/rdoc (rdoc)

v6.7.0

Compare Source

What's Changed

• Fix support for rb_file_const and rb_curses_define_const by @​nobu in https://github.com/ruby/rdoc/pull/1069
• Bump actions/upload-pages-artifact from 2 to 3 by @​dependabot in https://github.com/ruby/rdoc/pull/1071
• Bump actions/deploy-pages from 3 to 4 by @​dependabot in https://github.com/ruby/rdoc/pull/1070
• Use master of setup-ruby by @​nobu in https://github.com/ruby/rdoc/pull/1072
• Allow empty name rdoc-ref as a local link by @​nobu in https://github.com/ruby/rdoc/pull/1073
• [DOC] MarkupReference by @​BurdetteLamar in https://github.com/ruby/rdoc/pull/1075
• Bump ruby/setup-ruby from 1.162.0 to 1.165.1 by @​dependabot in https://github.com/ruby/rdoc/pull/1074
• [DOC] Tweaks to Markup Reference by @​BurdetteLamar in https://github.com/ruby/rdoc/pull/1077
• Sort coverage outputs by @​nobu in https://github.com/ruby/rdoc/pull/1078
• Ignore locale at write_options by @​nobu in https://github.com/ruby/rdoc/pull/1079
• Singleton visibility by @​nobu in https://github.com/ruby/rdoc/pull/1080
• Respect modeline to detect parser by @​nobu in https://github.com/ruby/rdoc/pull/1081
• Bump ruby/setup-ruby from 1.165.1 to 1.169.0 by @​dependabot in https://github.com/ruby/rdoc/pull/1085
• Don't document aliases with trailing :nodoc directive by @​p8 in https://github.com/ruby/rdoc/pull/1090
• Bump ruby/setup-ruby from 1.169.0 to 1.171.0 by @​dependabot in https://github.com/ruby/rdoc/pull/1089
• Bump ruby/setup-ruby from 1.171.0 to 1.172.0 by @​dependabot in https://github.com/ruby/rdoc/pull/1092
• Fix ToMarkdown missing newlines for label-lists by @​skipkayhil in https://github.com/ruby/rdoc/pull/1094
• Fix ToRdoc generating incorrect {label,name}-lists by @​skipkayhil in https://github.com/ruby/rdoc/pull/1093
• [DOC] Improve documentation of :include: directive file search by @​p8 in https://github.com/ruby/rdoc/pull/1083
• Allow rich definition list labels for Markdown by @​skipkayhil in https://github.com/ruby/rdoc/pull/1096
• Test only with truffleruby-head by @​nobu in https://github.com/ruby/rdoc/pull/1095
• test: Add tests for RDoc::TokenStream class by @​toshimaru in https://github.com/ruby/rdoc/pull/1068
• Use readline history when ri is running interactive by @​adam12 in https://github.com/ruby/rdoc/pull/861
• Revert "Test only with truffleruby-head" by @​eregon in https://github.com/ruby/rdoc/pull/1099
• Bump ruby/setup-ruby from 1.172.0 to 1.173.0 by @​dependabot in https://github.com/ruby/rdoc/pull/1101
• Bump actions/configure-pages from 4 to 5 by @​dependabot in https://github.com/ruby/rdoc/pull/1102
• Bump ruby/setup-ruby from 1.173.0 to 1.174.0 by @​dependabot in https://github.com/ruby/rdoc/pull/1105
• Bump ruby/setup-ruby from 1.174.0 to 1.175.1 by @​dependabot in https://github.com/ruby/rdoc/pull/1106
• Bump ruby/setup-ruby from 1.175.1 to 1.176.0 by @​dependabot in https://github.com/ruby/rdoc/pull/1108
• Fix typo in CONTRIBUTING.md by @​okuramasafumi in https://github.com/ruby/rdoc/pull/1109
• [DOC] Correct .rdoc_options filename in comment by @​adam12 in https://github.com/ruby/rdoc/pull/1103

New Contributors

• @​skipkayhil made their first contribution in https://github.com/ruby/rdoc/pull/1094
• @​adam12 made their first contribution in https://github.com/ruby/rdoc/pull/861
• @​okuramasafumi made their first contribution in https://github.com/ruby/rdoc/pull/1109

Full Changelog: https://github.com/ruby/rdoc/compare/v6.6.3.1...v6.7.0

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