chore: bump @progress/kendo-date-math

Bumps the kendo-dependencies group in /examples/kendo-react-nextjs with 1 update: [@progress/kendo-date-math](https://github.com/telerik/kendo-date-math).


Updates `@progress/kendo-date-math` from 1.5.12 to 1.5.13
- [Commits](https://github.com/telerik/kendo-date-math/commits)

---
updated-dependencies:
- dependency-name: "@progress/kendo-date-math"
  dependency-type: indirect
  update-type: version-update:semver-patch
  dependency-group: kendo-dependencies
...

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