chore(deps-dev): bump should from 11.2.1 to 13.2.3

Bumps [should](https://github.com/shouldjs/should.js) from 11.2.1 to 13.2.3.
- [Release notes](https://github.com/shouldjs/should.js/releases)
- [Changelog](https://github.com/shouldjs/should.js/blob/master/History.md)
- [Commits](https://github.com/shouldjs/should.js/commits/13.2.3)

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

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

package.json

@@ -38,7 +38,7 @@
     "echint": "^2.0.0",
     "istanbul": "^0.4.5",
     "mocha": "^6.0.0",
-    "should": "^11.1.0",
+    "should": "^13.2.3",
     "standard": "^8.0.0"
   },
   "dependencies": {