build(deps): Bump @mat-datetimepicker/core from 15.0.2 to 17.0.4

Bumps [@mat-datetimepicker/core](https://github.com/kuhnroyal/mat-datetimepicker) from 15.0.2 to 17.0.4.
- [Release notes](https://github.com/kuhnroyal/mat-datetimepicker/releases)
- [Changelog](https://github.com/kuhnroyal/mat-datetimepicker/blob/release/CHANGELOG.md)
- [Commits](kuhnroyal/mat-datetimepicker@v15.0.2...v17.0.4)

---
updated-dependencies:
- dependency-name: "@mat-datetimepicker/core"
  dependency-version: 17.0.4
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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Author: dependabot[bot]