refactor: corrected pnpm command

Author: mfranzke

package.json

@@ -39,9 +39,9 @@
     "lint:markdownlint": "markdownlint --config .config/.markdown-lint.yml **/*.md",
     "lint:packages": "publint packages/css-if-polyfill && publint packages/postcss-if-function && publint packages/lightningcss-plugin-if-function && publint packages/stylelint-config-if-function",
     "lint:stylelint": "stylelint test/fixtures/*.input.css --config .config/.stylelintrc.json",
-    "lint:stylelint:14": "npx stylelint@14 test/fixtures/*.input.css --config .config/.stylelintrc.older.json",
-    "lint:stylelint:15": "npx stylelint@15 test/fixtures/*.input.css --config .config/.stylelintrc.older.json",
-    "lint:stylelint:16": "npx stylelint@16 test/fixtures/*.input.css --config .config/.stylelintrc.json",
+    "lint:stylelint:14": "pnpx stylelint@14 test/fixtures/*.input.css --config .config/.stylelintrc.older.json",
+    "lint:stylelint:15": "pnpx stylelint@15 test/fixtures/*.input.css --config .config/.stylelintrc.older.json",
+    "lint:stylelint:16": "pnpx stylelint@16 test/fixtures/*.input.css --config .config/.stylelintrc.json",
     "lint:xo": "xo",
     "prelint:packages": "pnpm run build",
     "prepare": "husky",