feat(c): Add co-op threading builtins to C generator #3552

Job	Run time
Test Async (allowed to fail)	2m 54s
Build wit-bindgen (x86_64-windows, windows-latest, x86_64-pc-windows-msvc, -Ctarget-feature=+crt-...	4m 29s
Build wit-bindgen (x86_64-macos, macos-latest, x86_64-apple-darwin, 10.12)	2m 10s
verify-publish	2m 31s
clippy	45s
Build wit-bindgen (aarch64-linux, ubuntu-latest, aarch64-unknown-linux-gnu, ./ci/docker/aarch64-l...	2m 51s
Build wit-bindgen (aarch64-macos, macos-latest, aarch64-apple-darwin, 10.12)	2m 35s
Rustfmt	7s
Build wit-bindgen (x86_64-linux, ubuntu-latest, x86_64-unknown-linux-gnu, ./ci/docker/x86_64-linu...	2m 24s
Check	2m 25s
Build wit-bindgen (aarch64-windows, windows-11-arm, aarch64-pc-windows-msvc, -Ctarget-feature=+cr...	4m 2s
Crate Unit Tests	2m 23s
Test (macos-latest, c)	2m 42s
Test (ubuntu-latest, csharp)	10m 29s
Test (macos-latest, go)	5m 22s
Test (ubuntu-latest, c)	1m 55s
Test (ubuntu-latest, cpp)	3m 9s
Test (windows-latest, c)	4m 5s
Test (windows-latest, csharp)	10m 29s
Test (ubuntu-latest, go)	4m 15s
Test (macos-latest, cpp)	2m 54s
Test (windows-latest, cpp)	6m 1s
Test (windows-latest, go)	7m 39s
Test (macos-latest, rust)	4m 15s
Test (windows-latest, rust)	5m 41s
Test (ubuntu-latest, rust)	2m 51s
Record the result of testing and building steps	2s
	1h 41m 25s

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