Bump aeon-php/calendar from 1.0.9 to 1.0.11

Bumps [aeon-php/calendar](https://github.com/aeon-php/calendar) from 1.0.9 to 1.0.11.
- [Release notes](https://github.com/aeon-php/calendar/releases)
- [Commits](aeon-php/calendar@1.0.9...1.0.11)

---
updated-dependencies:
- dependency-name: aeon-php/calendar
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]