Apply rustfmt to entire project #2722

Job	Run time
cargo check (aarch64-android)	25s
cargo check (msrv) (wasm32)	17s
cargo check (msrv) (windows-latest)	1m 52s
cargo clippy (windows-latest)	5m 23s
cargo check (msrv) (macos-latest)	42s
cargo clippy (wasm32)	2m 9s
cargo clippy (macos-latest)	3m 38s
cargo check (msrv) (ubuntu-latest)	43s
cargo doc	41s
cargo clippy (ubuntu-latest)	3m 25s
formatting	39s
cargo miri (unsafe tree_arena)	35s
Prime LFS Cache	4s
cargo test (wasm32)	24s
typos	5s
cargo test (windows-latest)	3m 54s
cargo test (macos-latest)	1m 52s
cargo test (ubuntu-latest)	3m 48s
	30m 36s

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