v0.13

What's Changed

• Change defaults to v3.4 specs by @corny in #106
• Allow whitespace for mandate identifier by @ledermann in #95
• optimise matching by @timoschilling in #100
• CI: add Rails 7 to the matrix by @olleolleolle in #102
• build: Use bundler-cache from ruby/setup-ruby by @olleolleolle in #99
• Fix typos by @p-wall in #97
• gemspec: refer to homepage using HTTPS by @olleolleolle in #96
• Drop unused directive from gemspec by @olleolleolle in #103
• Dropped support for Ruby < 2.7 (EOL) and Rails < 4.2

Full Changelog: v0.12.0...v0.13.0