feat: add vite watchdog

[caalador]

Description

Add watchdog to stop vite
when java handler exits or crashes.

Fixes #12060

Type of change

• Bugfix
• Feature

Checklist

• I have read the contribution guide: https://vaadin.com/docs/latest/guide/contributing/overview/
• I have added a description following the guideline.
• The issue is created in the corresponding repository and I have referenced it.
• I have added tests to ensure my change is effective and works as intended.
• New and existing tests are passing locally with my change.
• I have performed self-review and corrected misspellings.

Additional for Feature type of change

• Enhancement / new feature was discussed in a corresponding GitHub issue and Acceptance Criteria were created.

[vaadin-bot]

SonarQube analysis reported 7 issues

1. AbstractDevServerRunner.java#L113: Make "devServerStartFuture" transient or serializable.
2. AbstractDevServerRunner.java#L190: Invoke method(s) only conditionally.
3. AbstractDevServerRunner.java#L381: Either re-interrupt this method or rethrow the "InterruptedException".
4. AbstractDevServerRunner.java#L602: Null passed for non-null parameter of java.util.concurrent.CompletableFuture.getNow(Object) in com.vaadin.base.devserver.AbstractDevServerRunner.handleRequest(VaadinSession, VaadinRequest, VaadinResponse)
5. AbstractDevServerRunner.java#L663: Refactor this method to reduce its Cognitive Complexity from 18 to the 15 allowed.
6. WebpackHandler.java#L216: Invoke method(s) only conditionally.
7. AbstractDevServerRunner.java#L633: Replace this if-then-else statement by a single return statement.

[vaadin-bot]

This ticket/PR has been released with platform 22.0.0.beta2 and is also targeting the upcoming stable 22.0.0 version.