Allow creating `Vec`s of exported enums (#3624) #1447

Job	Run time
Check	1m 57s
Rustfmt	21s
Verify that web-sys is compiled correctly	1m 32s
Run native tests	2m 36s
Clippy	7m 30s
Run wasm-bindgen crate tests (unix)	11m 30s
Run web-sys crate tests	7m 31s
Run wasm-bindgen crate tests with multithreading enabled	4m 30s
build_benchmarks	1m 15s
build_examples	5m 1s
build_nightly	2m 6s
dist_linux_aarch64_gnu	5m 9s
dist_linux_x86_64_musl	3m 52s
dist_macos_aarch64	3m 33s
dist_macos_x86_64	3m 27s
dist_windows	4m 49s
Build and test the deno example	1m 40s
Run js-sys crate tests	3m 17s
Test TypeScript output of wasm-bindgen	1m 32s
Run UI compile-fail tests	3m 49s
Run wasm-bindgen-webidl crate tests	4m 32s
doc_api	1m 32s
doc_book	26s
test_examples	3m 32s
deploy	1m 51s
	1h 28m 50s

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