fix(maven): update dependency com.github.mvysny.kaributesting:karibu-testing-v24 to v2.7.3

[renovate]

This PR contains the following updates:

Package	Change	Age	Confidence
com.github.mvysny.kaributesting:karibu-testing-v24	2.7.2 → 2.7.3

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Release Notes

mvysny/karibu-testing (com.github.mvysny.kaributesting:karibu-testing-v24)

v2.7.3

Compare Source

Added

• Java-callable shapes for the TreeGrid row walk (#​214): TreeGrid._rowStream() returns a
  java.util.stream.Stream instead of a kotlin.sequences.Sequence, and _rowSequence() gained
  @JvmOverloads so Java callers no longer have to pass the null filter explicitly. For all
  visible rows as a list, Grid._findAll() already covers TreeGrid.
• Grid._dump(int from, int toInclusive) overload, so Java callers can dump a row range without
  constructing a kotlin.ranges.IntRange (#​214).

Fixed

• Fire session-init and service-destroy listeners on Vaadin 25.3, which replaced VaadinService's
  private sessionInitListeners/serviceDestroyListeners fields with a VaadinServiceEventBus.
  Vaadin 25.2 keeps working. See D_service_event_bus_compat.
• Discover Dialog header/footer children on Vaadin 25.3.
• Load LitTemplate sources from META-INF/frontend/ on the classpath - the location Vaadin 25
  tells jar add-ons to use (#​213). The Vaadin 24 location, META-INF/resources/frontend/, keeps
  working.
• MockNpmTemplateParser now lists every location it searched when it fails to load a template,
  instead of blaming node_modules/ (which is only consulted for bare npm specifiers).
• toPrettyString() sorts the tokens of theme attribute values, so tree dumps stay stable on
  Vaadin 25.3, which now keeps theme variants in insertion order. Add more set-like attributes to
  unorderedAttributes.

Dependencies

• Vaadin 25.2.8, Kotlin 2.4.20, Gradle 9.7.1.
• karibu-testing-v10-spring: Spring Boot 4.1.1, Spring Security 7.1.1, matching Vaadin Spring 25.2.9.

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