deps: bump @helsenorge/datepicker from 10.1.0 to 10.3.0

Bumps [@helsenorge/datepicker](https://github.com/helsenorge/designsystem) from 10.1.0 to 10.3.0.
- [Changelog](https://github.com/helsenorge/designsystem/blob/master/CHANGELOG.md)
- [Commits](helsenorge/designsystem@v10.1.0...v10.3.0)

---
updated-dependencies:
- dependency-name: "@helsenorge/datepicker"
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

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Author: dependabot[bot]