Bump aeon-php/calendar from 1.0.11 to 1.0.12 (#148)

Bumps [aeon-php/calendar](https://github.com/aeon-php/calendar) from 1.0.11 to 1.0.12.
- [Release notes](https://github.com/aeon-php/calendar/releases)
- [Commits](aeon-php/calendar@1.0.11...1.0.12)

---
updated-dependencies:
- dependency-name: aeon-php/calendar
  dependency-version: 1.0.12
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

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Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]