lint: add actionlint

init.lua

@@ -436,10 +436,20 @@ lint.linters.sqlfluff.args = {
 lint.linters.yamllint.args = {
 	args = { "--format=parsable", "-d relaxed" },
 }
+-- actionlint --
+---- Set custom filetype to not lint everythin
+--- https://github.com/mfussenegger/nvim-lint/issues/591#issuecomment-2142162704
+vim.filetype.add({
+	pattern = {
+		['.*/.github/workflows/.*%.yml'] = 'yaml.ghaction',
+		['.*/.github/workflows/.*%.yaml'] = 'yaml.ghaction',
+	},
+})
 
 local linters = {
 	bash = { "shellcheck" },
 	dockerfile = { "hadolint" },
+	ghaction = { "actionlint" },
 	go = { "golangcilint" },
 	python = { "flake8" },
 	-- rust = { "clippy" },