Bump taiki-e/setup-cross-toolchain-action from 1 to 1.40.1 #3415

Job	Run time
cargo +1.36 build (futures-{core, io, sink})	3s
cargo build --target thumbv6m-none-eabi	3s
cargo build --target thumbv7m-none-eabi	2s
cargo minimal-versions build	3s
cargo +1.71 build	4s
cargo miri test	3s
cargo bench	3s
cargo hack check --feature-powerset	3s
cargo test -Z sanitizer=address	2s
cargo +stable build	4s
cargo test (ubuntu-latest, i686-unknown-linux-gnu)	2s
cargo test (windows-latest)	5s
cargo test -Z sanitizer=memory	2s
cargo test (ubuntu-24.04-arm)	2s
cargo test (ubuntu-latest)	2s
cargo +beta build	3s
cargo test (macos-latest)	4s
cargo test (ubuntu-latest, armv5te-unknown-linux-gnueabi)	3s
cargo test (ubuntu-latest, s390x-unknown-linux-gnu)	3s
cargo +nightly build	3s
tidy	3s
cargo test (ubuntu-24.04-arm, armv7-unknown-linux-gnueabihf)	3s
cargo test -Z sanitizer=thread	2s
cargo doc	3s
cargo clippy	3s
	1m 13s

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