Changes since last release (https://github.com/github/linguist/compare/v7.14.0...v7.15.0):

• Add rs alias for Rust (#5321)
• Add Android Interface Definition Language. (#5325)
• Add support for the CUE language & Cue Sheet (#5312)
• Rename MediaWiki to Wikitext (#5295)
• Replace syntax highlighting grammar for protobuf (#5336)
• Add SELinux Kernel Policy Language and Common Intermediate Language (#5332)
• Change Vue's language color (#5344)
• nim: update grammar url (#5339)
• Classify .h files as C by default (#5357)
• Add Android.bp file language for Soong (#5361)
• Add support for TextMate property files (#5364)
• Add imgbotconfig to JSON filenames (#5375)
• Add color for LilyPond (#5369)
• Add @microsoft/api-extractor.json file to JSONC (#5374)
• Add Valve Data Format language (#5330)
• Refactor Linguist for increased code re-usability in other projects (#5378)
• Add support for Fluent, disambiguate from FreeMarker (#5341)
• D.R.Y up Vim modeline expression (#5365)
• Improve the Kotlin language color + match modern branding (#5383)
• Add PEG.js language (#5376)
• Add colours for Awk and regular expression source (#5392)

... and an update to the latest version of all grammars.