Bump readdirp from 3.6.0 to 4.0.2

Bumps [readdirp](https://github.com/paulmillr/readdirp) from 3.6.0 to 4.0.2.
- [Release notes](https://github.com/paulmillr/readdirp/releases)
- [Commits](https://github.com/paulmillr/readdirp/compare/3.6.0...4.0.2)

---
updated-dependencies:
- dependency-name: readdirp
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>

package.json

@@ -94,7 +94,7 @@
     "postcss-value-parser": "^4.2.0",
     "queue-microtask": "^1.2.3",
     "read-cache": "^1.0.0",
-    "readdirp": "^3.6.0",
+    "readdirp": "^4.0.2",
     "resolve": "^1.22.8",
     "reusify": "^1.0.4",
     "run-parallel": "^1.2.0",