chore: add missing 'use strict' directives (#4301)

Author: Fdawgs

@commitlint/cli/index.cjs

@@ -1,3 +1,5 @@
+'use strict';
+
 const path = require('node:path');
 
 module.exports = path.join(__dirname, 'cli.js');

@commitlint/cz-commitlint/index.cjs

@@ -1,3 +1,5 @@
+'use strict';
+
 /** @type {Awaited<typeof import('./lib/index.js')>['prompter']} */
 exports.prompter = async (...args) => {
 	(await import('./lib/index.js')).prompter(...args);

@commitlint/load/fixtures/basic-config/.commitlintrc.cjs

@@ -1,3 +1,5 @@
+'use strict';
+
 module.exports = {
 	formatter: '@commitlint/format',
 	rules: {

@commitlint/load/fixtures/basic-config/commitlint.config.cjs

@@ -1,3 +1,5 @@
+'use strict';
+
 module.exports = {
 	formatter: '@commitlint/format',
 	rules: {

@commitlint/load/fixtures/extends-config/.commitlintrc.cjs

@@ -1,3 +1,5 @@
+'use strict';
+
 module.exports = {
 	extends: ['./first-extended'],
 	rules: {

@commitlint/load/fixtures/extends-config/commitlint.config.cjs

@@ -1,3 +1,5 @@
+'use strict';
+
 module.exports = {
 	extends: ['./first-extended'],
 	rules: {