tests

Introduce nightly feature #798

Job	Run time
Building macOS libraries	4m 7s
Building Linux libraries	3m 30s
Build XCFramework	10m 42s
Testing with Valgrind on ubuntu-latest	2m 28s
Rust unit tests on ubuntu-24.04	2m 37s
Building Android libraries	4m 10s
Rust unit tests on macos-latest	1m 5s
Building Windows libraries	3m 23s
Basic WASM build	2m 4s
Testing on macos-latest	58s
Testing on windows-latest	57s
Testing on ubuntu-24.04	1m 21s
Testing on ubuntu-arm64	1m 58s
Testing on windows-11-arm	1m 16s
	40m 36s

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