Bump cron from 3.1.7 to 3.1.8

Bumps [cron](https://github.com/kelektiv/node-cron) from 3.1.7 to 3.1.8.
- [Release notes](https://github.com/kelektiv/node-cron/releases)
- [Changelog](https://github.com/kelektiv/node-cron/blob/main/CHANGELOG.md)
- [Commits](kelektiv/node-cron@v3.1.7...v3.1.8)

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

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