Improved TS type generation from WASM #2819

Job	Run time
Check	1m 9s
Clippy	2m 49s
Clippy (web-sys)	2m 40s
Clippy (project)	2m 41s
Rustfmt	14s
Taplo	6s
Run native tests	2m 26s
Run wasm-bindgen crate tests with multithreading	1m 51s
Run wasm-bindgen crate tests (wasm-bindgen)	2m 0s
Run wasm-bindgen crate tests with externref feature	1m 30s
Run wasm-bindgen crate tests (wasm-bindgen (serde-serialize))	1m 25s
Run wasm-bindgen crate tests with multi-value feature	3m 26s
Run wasm-bindgen wasm test	1m 16s
Run web-sys tests (with geckodriver)	22s
Run web-sys (all features) tests (with geckodriver)	2m 52s
Run wasm-bindgen crate tests (wasm-bindgen (enable-interning))	1m 27s
Run web-sys (unstable, all features) tests (with geckodriver)	3m 24s
build_benchmarks	57s
Run js-sys tests (with geckodriver)	1m 33s
Run js-sys (unstable) tests (with geckodriver)	1m 29s
build_examples	4m 8s
build_nightly	1m 43s
Run wasm-bindgen-webidl tests (with geckodriver)	28s
Verify that web-sys is compiled correctly	51s
Run webidl-tests tests (with geckodriver)	1m 6s
dist_linux_aarch64_gnu	3m 5s
Run webidl-tests (unstable) tests (with geckodriver)	1m 16s
Run typescript-tests tests (with geckodriver)	1m 21s
dist_linux_x86_64_musl	2m 33s
dist_macos_aarch64	1m 22s
dist_macos_x86_64	1m 26s
dist_windows	4m 26s
doc_api	2m 14s
doc_book	4s
Check MSRV for CLI tools	32s
Check MSRV for libraries	1m 59s
Build and test the deno example	54s
Run UI compile-fail tests	46s
test_nightly	40s
test_examples	1m 49s
deploy	27s
	1h 8m 47s

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