Bump which from 5.0.0 to 6.0.0

Bumps [which](https://github.com/npm/node-which) from 5.0.0 to 6.0.0.
- [Release notes](https://github.com/npm/node-which/releases)
- [Changelog](https://github.com/npm/node-which/blob/main/CHANGELOG.md)
- [Commits](npm/node-which@v5.0.0...v6.0.0)

---
updated-dependencies:
- dependency-name: which
  dependency-version: 6.0.0
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

package.json

@@ -23,7 +23,7 @@
     "existent": "^1.0.1",
     "pe-machine-type": "^1.0.0",
     "registry-js": "^1.9.0",
-    "which": "^5.0.0",
+    "which": "^6.0.0",
     "win-version-info": "^6.0.1",
     "windows-env": "^1.0.1",
     "yargs": "^18.0.0"