Bump rewire from 5.0.0 to 6.0.0

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

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

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

package.json

@@ -48,7 +48,7 @@
     "c8": "^7.10.0",
     "coveralls": "^3.1.1",
     "mocha": "<=8",
-    "rewire": "^5.0.0",
+    "rewire": "^6.0.0",
     "sinon": "^12.0.1",
     "ts-mocha": "^8.0.0"
   },