Merge branch 'main' into ghc-head

.github/mergify.yml

.github/workflows/hlint-ci.yml

.gitignore

.hlint.yaml

CODE_OF_CONDUCT.md

CONTRIBUTING.md

cabal.project

doc/common-errors.rst

doc/invoking.rst

doc/markup.rst

haddock-api/haddock-api.cabal

haddock-api/resources/html/Linuwial.std-theme/linuwial.css

haddock-api/resources/html/haddock-bundle.min.js

haddock-api/resources/html/js-src/details-helper.tsx

haddock-api/resources/html/js-src/quick-jump.tsx

haddock-api/resources/html/package-lock.json

haddock-api/resources/html/package.json

haddock-api/resources/html/quick-jump.min.js

haddock-api/src/Documentation/Haddock.hs

haddock-api/src/Haddock.hs