tests

Use XCode 16.4 to fix pod lint #760

Job	Run time
Building Linux libraries	3m 53s
Building macOS libraries	1m 14s
Building Windows libraries	3m 9s
Building Android libraries	3m 47s
Rust unit tests on ubuntu-24.04	2m 40s
Testing with Valgrind on ubuntu-latest	2m 34s
Build XCFramework	9m 12s
Basic WASM build	2m 5s
Rust unit tests on macos-latest	1m 57s
Testing on ubuntu-arm64	1m 17s
Testing on macos-latest	39s
Testing on ubuntu-24.04	1m 13s
Testing on windows-latest	47s
Testing on windows-11-arm	1m 17s
	35m 44s

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