Bump rlanvin/php-rrule from 2.4.1 to 2.5.0

Bumps [rlanvin/php-rrule](https://github.com/rlanvin/php-rrule) from 2.4.1 to 2.5.0.
- [Release notes](https://github.com/rlanvin/php-rrule/releases)
- [Changelog](https://github.com/rlanvin/php-rrule/blob/master/CHANGELOG.md)
- [Commits](rlanvin/php-rrule@v2.4.1...v2.5.0)

---
updated-dependencies:
- dependency-name: rlanvin/php-rrule
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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