chore(deps-dev): bump moment from 2.22.2 to 2.29.4

Bumps [moment](https://github.com/moment/moment) from 2.22.2 to 2.29.4.
- [Release notes](https://github.com/moment/moment/releases)
- [Changelog](https://github.com/moment/moment/blob/develop/CHANGELOG.md)
- [Commits](moment/moment@2.22.2...2.29.4)

---
updated-dependencies:
- dependency-name: moment
  dependency-type: direct:development
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

Diff for: package-lock.json

@@ -38,7 +38,7 @@
     "metalsmith-static": "^0.0.5",
     "metalsmith-watch": "^1.0.3",
     "mkdirp": "^0.5.1",
-    "moment": "^2.20.1",
+    "moment": "^2.29.4",
     "multimatch": "^2.1.0",
     "parse5": "latest",
     "permalinks": "^1.2.1",