Update test coverage documentation (#4077) #2413

Job	Run time
Clippy	2m 51s
Clippy (web-sys)	2m 52s
Check	1m 1s
Rustfmt	13s
Taplo	7s
Run wasm-bindgen crate tests with multithreading	1m 12s
Clippy (project)	2m 39s
Run wasm-bindgen crate tests (wasm-bindgen)	1m 52s
Run wasm-bindgen crate tests with externref feature	1m 49s
Run wasm-bindgen wasm test	1m 10s
Run wasm-bindgen crate tests (wasm-bindgen (serde-serialize))	1m 49s
Run wasm-bindgen crate tests with multi-value feature	1m 29s
Run wasm-bindgen crate tests (wasm-bindgen (enable-interning))	1m 22s
build_examples	3m 2s
Verify that web-sys is compiled correctly	52s
Build and test the deno example	1m 4s
Run native tests	1m 58s
Run UI compile-fail tests	44s
Run web-sys tests (with geckodriver)	25s
Run web-sys (all features) tests (with geckodriver)	2m 45s
build_benchmarks	1m 5s
Run web-sys (unstable, all features) tests (with geckodriver)	3m 10s
Run js-sys tests (with geckodriver)	1m 20s
Run js-sys (unstable) tests (with geckodriver)	1m 18s
build_nightly	1m 45s
Run wasm-bindgen-webidl tests (with geckodriver)	43s
Run webidl-tests tests (with geckodriver)	1m 24s
Run webidl-tests (unstable) tests (with geckodriver)	1m 21s
dist_linux_aarch64_gnu	2m 55s
Run typescript-tests tests (with geckodriver)	1m 17s
dist_linux_x86_64_musl	2m 54s
dist_macos_aarch64	1m 15s
dist_macos_x86_64	1m 21s
dist_windows	2m 59s
doc_api	1m 11s
doc_book	6s
Check MSRV for CLI tools	34s
Check MSRV for libraries	2m 39s
test_nightly	52s
test_examples	1m 40s
deploy	50s
	1h 3m 55s

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