Bump sort-on from 4.1.1 to 6.1.0

Bumps [sort-on](https://github.com/sindresorhus/sort-on) from 4.1.1 to 6.1.0.
- [Release notes](https://github.com/sindresorhus/sort-on/releases)
- [Commits](sindresorhus/sort-on@v4.1.1...v6.1.0)

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

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

package.json

@@ -62,7 +62,7 @@
     "parse-help": "^1.0.0",
     "read-pkg-up": "^7.0.1",
     "root-check": "^1.0.0",
-    "sort-on": "^4.1.1",
+    "sort-on": "^6.1.0",
     "string-length": "^4.0.2",
     "tabtab": "^1.3.2",
     "titleize": "^2.1.0",