chore(deps): bump which from 4.0.0 to 6.0.0 (#364)

Bumps [which](https://github.com/npm/node-which) from 4.0.0 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@v4.0.0...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]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

package-lock.json

@@ -32,7 +32,7 @@
   "author": "Jen-Chieh Shen",
   "license": "GPL-3.0",
   "dependencies": {
-    "which": "^4.0.0",
+    "which": "^6.0.0",
     "yargs": "^17.0.0"
   },
   "devDependencies": {