Bump table_calendar from 3.0.6 to 3.0.8

Bumps [table_calendar](https://github.com/aleksanderwozniak/table_calendar) from 3.0.6 to 3.0.8.
- [Changelog](https://github.com/aleksanderwozniak/table_calendar/blob/master/CHANGELOG.md)
- [Commits](aleksanderwozniak/table_calendar@v3.0.6...v3.0.8)

---
updated-dependencies:
- dependency-name: table_calendar
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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