Changes since last release (https://github.com/github/linguist/compare/v7.12.2...v7.13.0):

• Add HCL's full definition to its aliases list (#5109)
• Use ruby:2-alpine for Docker (#5129)
• Add M4 vs M4Sugar disambiguation (#5113)
• Add missing Gerber extensions and heuristics (#5054)
• Fix Pascal aliases (#5121)
• Add pedantic test for heuristics exhaustiveness (#4999)
• Move .jsx to JavaScript and remove JSX section and babel-sublime submodule (#5133)
• Expand tokenizer tests (#5139)
• Add alias "plain text" for "Text" (resolve #5135) (#5137)
• Update issue templates (#5146)
• Use JSON instead of YAML for deserialization if Yajl is not available. (#5149)
• Add .eleventyignore to Ignore List category (#5144)
• Extend vendor regex for /[Ee]xtern(als?)?/ (#5148)
• Improve punctuation tokenization and word split (#5060)
• Add new Raku file extensions (#5168)
• Add color for Liquid (#5170)
• Classifier cross-validation script and workflow (#5142)
• Tokenize comments (#5061)
• Add color to Org (#5176)
• Add support for Boogie (#5119)
• Add Cake aliases to the C# language (#5181)
• Add Pipfile and Pipfile.lock (#5174)
• Revert "Move PR template to new dir structure" (#5201)
• Ungroup Mustache from HTML (#5183)
• Fix misclassified .rs XML files (#5184)
• Ungroup EJS from HTML (#5187)
• Ungroup Closure Templates from HTML (#5188)
• Remove SGML tokenization (#5186)
• Classify scdoc under Markdown (#5198)
• Ungroup Scaml from HTML (#5185)
• Split Nunjucks into its own language (#5167)
• Add support for record-jar files (#5182)
• Replace Liquid grammar (#5207)
• Add Beef language (#5190)
• Truncate long tokens (#5205)
• Add the ImageJ Macro Language (#5200)
• Add generated ANTLR files as such (#4409) (#5199)
• Add support for ABAP CDS (#4614)
• Add CWeb sample (#5211)

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