deps: bump which from 3.0.1 to 4.0.0

Bumps [which](https://github.com/npm/node-which) from 3.0.1 to 4.0.0.
- [Release notes](https://github.com/npm/node-which/releases)
- [Changelog](https://github.com/npm/node-which/blob/main/CHANGELOG.md)
- [Commits](npm/node-which@v3.0.1...v4.0.0)

---
updated-dependencies:
- dependency-name: which
  dependency-type: direct:development
  update-type: version-update:semver-major
...

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

packages/neovim/package.json

@@ -62,7 +62,7 @@
     "jest-resolve": "^29.6.1",
     "typedoc": "^0.25.7",
     "typescript": "^5.3.3",
-    "which": "^3.0.1"
+    "which": "^4.0.0"
   },
   "scripts": {
     "doc": "typedoc --out doc --exclude '**/*.test.ts' src",