tests

Add test migrating between local and synced #815

Job	Run time
Building Linux libraries	3m 43s
Building macOS libraries	2m 50s
Building Windows libraries	3m 32s
Building Android libraries	4m 17s
Basic WASM build	2m 7s
Build XCFramework	7m 49s
Rust unit tests on macos-latest	1m 33s
build_stable_rust	1m 50s
Testing with Valgrind on ubuntu-latest	2m 19s
Rust unit tests on ubuntu-24.04	2m 36s
Testing on ubuntu-24.04	1m 20s
Testing on macos-latest	1m 0s
Testing on windows-latest	1m 21s
Testing on ubuntu-arm64	1m 26s
Testing on windows-11-arm	1m 3s
	38m 46s

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