Bump mockdate from 3.0.2 to 3.0.3 (#1685)

Bumps [mockdate](https://github.com/boblauer/MockDate) from 3.0.2 to 3.0.3.
- [Release notes](https://github.com/boblauer/MockDate/releases)
- [Changelog](https://github.com/boblauer/MockDate/blob/master/CHANGELOG.md)
- [Commits](boblauer/MockDate@v3.0.2...v3.0.3)

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package.json

@@ -62,7 +62,7 @@
     "htmlencode": "0.0.4",
     "lockfile-lint": "^4.6.2",
     "mocha": "^8.3.2",
-    "mockdate": "^3.0.2",
+    "mockdate": "^3.0.3",
     "nodemon": "^2.0.7",
     "npm-run-all": "^4.1.5",
     "pug-lint": "^2.6.0",