Add support for i128 and u128 #2804

Job	Run time
Rustfmt	6s
Taplo	6s
Check	1m 5s
Clippy	2m 55s
Clippy (web-sys)	2m 33s
Clippy (project)	2m 54s
Run wasm-bindgen crate tests (wasm-bindgen)	1m 54s
Run wasm-bindgen crate tests (wasm-bindgen (serde-serialize))	1m 23s
Run wasm-bindgen wasm test	1m 17s
Run wasm-bindgen crate tests with externref feature	1m 36s
Run wasm-bindgen crate tests (wasm-bindgen (enable-interning))	1m 41s
Run wasm-bindgen crate tests with multi-value feature	1m 31s
build_benchmarks	1m 5s
build_examples	3m 44s
build_nightly	1m 41s
Verify that web-sys is compiled correctly	46s
dist_linux_aarch64_gnu	3m 24s
dist_linux_x86_64_musl	2m 32s
dist_macos_aarch64	1m 25s
dist_macos_x86_64	1m 39s
Build and test the deno example	57s
Run native tests	2m 16s
Run wasm-bindgen crate tests with multithreading	1m 38s
Run UI compile-fail tests	47s
Run web-sys tests (with geckodriver)	31s
dist_windows	4m 48s
Run web-sys (all features) tests (with geckodriver)	3m 4s
Run web-sys (unstable, all features) tests (with geckodriver)	3m 44s
doc_api	2m 12s
Run js-sys tests (with geckodriver)	1m 39s
Run js-sys (unstable) tests (with geckodriver)	1m 16s
doc_book	9s
Run wasm-bindgen-webidl tests (with geckodriver)	34s
Run webidl-tests tests (with geckodriver)	1m 9s
Run webidl-tests (unstable) tests (with geckodriver)	1m 21s
Check MSRV for libraries	1m 56s
Run typescript-tests tests (with geckodriver)	1m 20s
Check MSRV for CLI tools	32s
test_nightly	47s
test_examples	1m 35s
deploy	30s
	1h 8m 2s

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