Bump vuejs3-datepicker from 1.0.19 to 1.1.3 in /frontend (#39)

Bumps [vuejs3-datepicker](https://github.com/shubhadip/vuejs3-datepicker) from 1.0.19 to 1.1.3.
- [Release notes](https://github.com/shubhadip/vuejs3-datepicker/releases)
- [Changelog](https://github.com/shubhadip/vuejs3-datepicker/blob/master/CHANGELOG.md)
- [Commits](shubhadip/vuejs3-datepicker@v1.0.19...v1.1.3)

---
updated-dependencies:
- dependency-name: vuejs3-datepicker
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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

Author: dependabot[bot]