* Chore: Upgrade typescript and related packages
Closes #27115

* Apply suggestions from code review

Co-authored-by: Alex Khomenko <Clarity-89@users.noreply.github.com>

* fixes some tests

* Fix failing tests

* Apply suggestions from code review

Co-authored-by: Dominik Prokop <dominik.prokop@grafana.com>

Co-authored-by: Alex Khomenko <Clarity-89@users.noreply.github.com>
Co-authored-by: Dominik Prokop <dominik.prokop@grafana.com>