chore(deps): upgrade chokidar to v4

https://github.com/paulmillr/chokidar/releases/tag/4.0.0

The most important breaking change is that it removes support for globs,
which'll need a new solution on top. Then it updates minimum required
node version to 14.x (same as already used here).

Author: stianjensen

packages/vite-plugin-checker/package.json

@@ -36,7 +36,7 @@
   },
   "dependencies": {
     "@babel/code-frame": "^7.26.2",
-    "chokidar": "^3.6.0",
+    "chokidar": "^4.0.3",
     "colorette": "^2.0.20",
     "npm-run-path": "^4.0.1",
     "strip-ansi": "^6.0.1",