Update Rust version for UI tests #1803

Job	Run time
Clippy	3m 10s
Run wasm-bindgen crate tests (unix)	3m 3s
Check	1m 6s
Verify that web-sys is compiled correctly	47s
Rustfmt	9s
Run js-sys crate tests	2m 0s
Run native tests	1m 41s
Run wasm-bindgen crate tests with multithreading enabled	3m 10s
Run web-sys crate tests	3m 10s
build_benchmarks	58s
build_examples	3m 9s
build_nightly	1m 31s
dist_linux_aarch64_gnu	2m 37s
dist_linux_x86_64_musl	2m 22s
dist_macos_aarch64	1m 59s
dist_macos_x86_64	2m 19s
Build and test the deno example	57s
Test TypeScript output of wasm-bindgen	1m 19s
Run UI compile-fail tests	49s
Run wasm-bindgen-webidl crate tests	2m 5s
dist_windows	3m 2s
doc_api	1m 7s
doc_book	7s
test_examples	1s
deploy	1s
	42m 39s

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