chore(deps-dev): update updtr requirement from ^2.0.0 to ^3.1.0

Updates the requirements on [updtr](https://github.com/peerigon/updtr) to permit the latest version.
- [Release notes](https://github.com/peerigon/updtr/releases)
- [Changelog](https://github.com/peerigon/updtr/blob/master/CHANGELOG.md)
- [Commits](peerigon/updtr@v2.0.0...v3.1.0)

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

package.json

@@ -148,7 +148,7 @@
     "npm-run-all": "^4.1.3",
     "projectz": "^1.3.2",
     "should": "^13.2.1",
-    "updtr": "^2.0.0"
+    "updtr": "^3.1.0"
   },
   "optionalDependencies": {},
   "bugs": {