Bump @types/readable-stream from 4.0.8 to 4.0.9 (#871)

Bumps [@types/readable-stream](https://github.com/DefinitelyTyped/DefinitelyTyped/tree/HEAD/types/readable-stream) from 4.0.8 to 4.0.9.
- [Release notes](https://github.com/DefinitelyTyped/DefinitelyTyped/releases)
- [Commits](https://github.com/DefinitelyTyped/DefinitelyTyped/commits/HEAD/types/readable-stream)

---
updated-dependencies:
- dependency-name: "@types/readable-stream"
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

package.json

@@ -84,7 +84,7 @@
     "@types/minimatch": "^5.1.2",
     "@types/node": "20.9.2",
     "@types/pump": "1.1.3",
-    "@types/readable-stream": "4.0.8",
+    "@types/readable-stream": "4.0.9",
     "@types/split2": "4.2.3",
     "@types/strip-ansi": "5.2.1",
     "@types/supertest": "2.0.16",