v0.26.0

New Features

• Add "unused hint" flag — @javierguerragiraldez
  Function arguments that start with a single underscore get an "unused hint".
  Leaving them unused doesn't result in a warning.
  Using them, on the other hand, is a new warning (№ 214).
• Add hook to enable Luacheck for use in pre-commit — @mblayman
• Warn on error-prone and unnecessary negations — @arichard4
  Two new warnings (№ 581 and 582) flag error-prone operator orders.
• Add Dockerfile implementation — @MartinBroers
  A 6.34MB containerized image with everything needed to run the linter.
  Build your own or pull prebuilt images from GHRC.
• Setup repository for use as a GitHub Action — @alerque
  Lint your repositories using GitHub Action workflows with just a single uses: step.

Fixes

• Don't mark variables as accessed if only references are circular — @arichard4
• Make test suite Lua 5.4 compatible — @alerque
• Correct small issues in documentation — various

Miscellaneous

• Overhaul CI workflows for testing, linting, building, and releasing — @alerque
• Update URLs and documentation reflecting new repository home — @lunarmodules