v9.1.0

Notable Changes

• reintroduced Ruby < 3 support
• refactored parsing code (but with the same user-facing API)
• modernized development setup with improvements to IRB, linting, and
  the Dev Container experience

Commits

• Re-add missing workflow_call trigger (a883f45)
• Bump version to v9.1.0 (56c314e)
• Remove addressed RuboCop todo file (045b19e)
• Rewrite and simplify parsing code (791f3fb)
• Remove version.rb file (40049ca)
• Refactor for Ruby 2.6 compatibility (a4406e1)
• Generate RuboCop todo list (7319c2f)
• RuboCop: Lint/NonDeterministicRequireOrder (ca1460f)
• Relax version constraints to allow for Ruby 2.6 (a3099db)
• Update ignored revs file (b3d1a85)
• RuboCop: Lint/RedundantDirGlobSort (405339e)
• Configure custom transformation of IndieWeb string (86536e7)
• RuboCop: Layout/MultilineMethodCallIndentation (49b30c9)
• Add documentation_uri and homepage_uri (e72a1e6)
• RuboCop: Gemspec/AddRuntimeDependency (c628e6c)
• RuboCop: Style/StringLiterals (98a94d2)
• RuboCop: Style/WordArray (cb72804)
• RuboCop: Style/TrailingCommaInArrayLiteral (12614ff)
• RuboCop: Style/TrailingCommaInHashLiteral (c6378d3)
• Update project Ruby version to v3.4.3 (49d963d)
• Refactor Dev Container configuration (64c9292)
• Streamline GitHub Actions workflows (4925c89)
• Enable branch coverage (72b7fd9)
• Remove ruby/debug gem (f4e6154)
• Streamline IRB config (a2bced4)
• Back to RuboCop (d8a393a)
• Remove YARD config file (328f635)
• Disable ruby-lsp formatter (5100c76)

Full Changelog: v9.0.0...v9.1.0