Add TOML formatting with Taplo #2408

Job	Run time
cargo check (msrv) (wasm32)	15s
cargo check (aarch64-android)	24s
cargo check (msrv) (windows-latest)	1m 32s
cargo clippy (windows-latest)	4m 17s
cargo clippy (wasm32)	1m 53s
cargo check (msrv) (macos-latest)	42s
cargo clippy (macos-latest)	2m 43s
cargo doc	40s
cargo check (msrv) (ubuntu-latest)	46s
cargo clippy (ubuntu-latest)	3m 12s
formatting	38s
Prime LFS Cache	4s
cargo test (wasm32)	21s
typos	9s
cargo test (windows-latest)	3m 8s
cargo test (macos-latest)	1m 27s
cargo test (ubuntu-latest)	3m 41s
	25m 52s

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