Bump mockdate from 2.0.5 to 3.0.2

Bumps [mockdate](https://github.com/boblauer/MockDate) from 2.0.5 to 3.0.2.
- [Release notes](https://github.com/boblauer/MockDate/releases)
- [Changelog](https://github.com/boblauer/MockDate/blob/master/CHANGELOG.md)
- [Commits](boblauer/MockDate@v2.0.5...v3.0.2)

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

package.json

@@ -64,7 +64,7 @@
     "htmlencode": "0.0.4",
     "lockfile-lint": "^4.3.6",
     "mocha": "^7.1.2",
-    "mockdate": "^2.0.5",
+    "mockdate": "^3.0.2",
     "nodemon": "^2.0.4",
     "npm-run-all": "^4.1.5",
     "nyc": "^15.0.1",