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New Samsung GCamera XMP tags

13

The following tags are used by Samsung's Motion Photo implementation in the App1 XMP: - `GCamera:MotionPhoto` - `GCamera:MotionPhotoVersion` - `GCamera:MotionPhotoPresentationTimestampUs` The extracted full [App1 segment](https://github.com/exiftool/exiftool/files/15017414/app1.xml.txt) from an image taken on...

We need test partially so we're sure everything is correct, but also to make sure that changes don't cause regressions or break expected behaviour.

Migrate to patomic v1

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- migrate the underlying `patomic` version to 1.0.0 or later (as long as it's any major version 1) - this fixes the issue of not being able to compile for...