* Retrofit `deferFulfillment` onto snapshot tests.
* Convert a bunch of preview tests to the new fulfillment publisher
* Convert more tests
* Remove unneeded delays from the remaining tests
* Remove snapshotting delay option.
* Replace Prefire with a very similar but simpler and more direct approach
* Move PreviewTest snapshots to their new location (snapshotting default, mirrors UITests)
* Update acknowledgements
* Switch snapshot configuration extensions to a custom version
* Exclude snapshots from the PreviewTests target
* Fix acknowledgements
* Rename snapshotting preference keys
* Remove `skipPackagePluginValidation`
* Update Prefire, setup multiple snapshot devices and languages
Squashed commits:
[28cb4ae6d] Switch to macos-14, iOS 17 and the iPhone 15 simulator
[080fc82cb] Update snapshots
[c874ca9c7] Bump Compound and Prefire, reduce perceptual precission to 0.98
[a59b8a54c] Update snapshots after adding iPad and pseudolanguage snapshotting
[f30cc3277] Setup multi-language snapshotting
[aeb11c7e7] Update prefire template, setup multiple snapshot devices
* Update ruby dependencies and fastlane plugins
* Bump Compound, switch back to the original prefire - version 2.0.4
* Remove preview test simulator version specifiers
