feat: app hang capture on desktop

[bitsandfoxes]

Warning

WIP    🚧🔨⏳⛔

With getsentry/sentry-native#1780 sentry-native has the ability to capture app hangs out-of-process via the new native backend.

[github-actions]

	Fails
🚫	Please consider adding a changelog entry for the next release.

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📖	Do not forget to update Sentry-docs with your feature once the pull request gets approved.

Instructions and example for changelog

Please add an entry to CHANGELOG.md to the "Unreleased" section. Make sure the entry includes this PR's number.

Example:

## Unreleased

### Features

- app hang capture on desktop ([#2709](https://github.com/getsentry/sentry-unity/pull/2709))

If none of the above apply, you can opt out of this check by adding #skip-changelog to the PR description or adding a skip-changelog label.

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