chore(deps-dev): bump timekeeper from 2.2.0 to 2.3.1

Bumps [timekeeper](https://github.com/vesln/timekeeper) from 2.2.0 to 2.3.1.
- [Commits](vesln/timekeeper@v2.2.0...v2.3.1)

---
updated-dependencies:
- dependency-name: timekeeper
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

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

package.json

@@ -84,7 +84,7 @@
     "nyc": "^15.1.0",
     "open-cli": "^7.2.0",
     "semantic-release": "^21.0.7",
-    "timekeeper": "^2.2.0"
+    "timekeeper": "^2.3.1"
   },
   "release": {
     "branches": [