Bump calendar-js from `4acff1f` to `b24f637`

Bumps [calendar-js](https://github.com/georgehrke/calendar-js) from `4acff1f` to `b24f637`.
- [Release notes](https://github.com/georgehrke/calendar-js/releases)
- [Commits](https://github.com/georgehrke/calendar-js/compare/4acff1fb972221eb46c961851772a2f49c8a662b...b24f637d52930d7901f9868e9387712af27e3dd3

)

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