npm-dep: bump cron-parser from 5.3.0 to 5.3.1 in /frontend

Bumps [cron-parser](https://github.com/harrisiirak/cron-parser) from 5.3.0 to 5.3.1.
- [Release notes](https://github.com/harrisiirak/cron-parser/releases)
- [Commits](https://github.com/harrisiirak/cron-parser/compare/v5.3.0...v5.3.1)

---
updated-dependencies:
- dependency-name: cron-parser
  dependency-version: 5.3.1
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

frontend/package.json

@@ -47,7 +47,7 @@
 	"dependencies": {
 		"@fortawesome/free-solid-svg-icons": "^6.7.2",
 		"@tailwindcss/postcss": "^4.1.12",
-		"cron-parser": "^5.3.0",
+		"cron-parser": "^5.3.1",
 		"date-fns": "^4.1.0",
 		"pocketbase": "^0.26.2",
 		"postcss": "^8.5.6",