Update dependency rouge to v4.2.0

[renovate]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
rouge (source, changelog)	4.1.3 -> 4.2.0

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Release Notes

rouge-ruby/rouge (rouge)

v4.2.0

Compare Source

Comparison with the previous version

• General
  • Bump actions/checkout to v4 (#​1998 by Tan Le)
  • Update change log (#​1983 by Tan Le)
• BPF Lexer
  • Update BPF lexer (#​2004 by Paul Chaignon)
• Code Owners Lexer (NEW)
  • Add Code owners lexer (#​1969 by Tan Le)
• Dart Lexer
  • Remove inline from Dart declaration keywords (#​1990 by Parker Lougheed)
• Elixir Lexer
  • Detect Elixir syntax by shebang (#​2001 by arathunku)
• Groovy Lexer
  • Update groovy for record, enum, var (#​1984 by Guillaume Laforge)
• Python Lexer
  • Guess .pyi files as Python (#​1996 by ryderben)
• Svelte Lexer (NEW)
  • add svelte lexer (#​1979 by Brodie Davis)
• Xoji Lexer
  • Updated Xojo Syntax (#​2005 by XojoGermany)
  • Updated Xojo Syntax (#​2000 by XojoGermany)

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