feat: add CJS export for cz-commitlint (#3963)

* feat: add CJS export for cz-commitlint

relates to: #3850 (comment)

resolves #3949

* chore: add .cts to eslintrc

* fix: workaround cts issues of vitest and typescript

Author: frantic1048

Diff for: .eslintrc.cjs

@@ -37,7 +37,7 @@ module.exports = {
 	},
 	overrides: [
 		{
-			files: ['*.ts'],
+			files: ['*.cts', '*.ts'],
 			parser: '@typescript-eslint/parser',
 			extends: [
 				'plugin:@typescript-eslint/eslint-recommended',

Diff for: @commitlint/cz-commitlint/package.json

@@ -4,6 +4,10 @@
   "version": "19.0.3",
   "description": "Commitizen adapter using the commitlint.config.js",
   "main": "./lib/index.js",
+  "exports": {
+    "import": "./lib/index.js",
+    "require": "./lib/index.cjs"
+  },
   "files": [
     "lib"
   ],

Diff for: @commitlint/cz-commitlint/src/index.cjs

@@ -0,0 +1,4 @@
+/** @type {Awaited<typeof import('./index.js')>['prompter']} */
+exports.prompter = async (...args) => {
+	(await import('./index.js')).prompter(...args);
+};