Bump calendar-js from `669dd29` to `dbb5314`

Bumps [calendar-js](https://github.com/georgehrke/calendar-js) from `669dd29` to `dbb5314`.
- [Release notes](https://github.com/georgehrke/calendar-js/releases)
- [Commits](https://github.com/georgehrke/calendar-js/compare/669dd298d93633f0e70c0c271d96d72a76377cbd...dbb5314f11a94f3ca2bde1c15045cd5e40364fcd

)

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