build(deps): bump actions/checkout from 3 to 4 #1938

Job	Run time
benches (1.65.0)	5m 36s
benches (stable)	2m 50s
build (1.65.0, thumbv7em-none-eabi)	4m 39s
build (1.65.0, wasm32-unknown-unknown)	3m 55s
build (stable, thumbv7em-none-eabi)	1m 19s
build (stable, wasm32-unknown-unknown)	1m 17s
doc	40s
cross (armv7-unknown-linux-gnueabihf, 1.65.0)	4m 30s
cross (armv7-unknown-linux-gnueabihf, stable)	2m 17s
cross (aarch64-unknown-linux-gnu, 1.65.0)	4m 41s
cross (aarch64-unknown-linux-gnu, stable)	2m 27s
cross (powerpc-unknown-linux-gnu, 1.65.0)	4m 35s
cross (powerpc-unknown-linux-gnu, stable)	2m 16s
test (i686-unknown-linux-gnu, 1.65.0, sudo apt update && sudo apt install gcc-multilib)	5m 13s
test (i686-unknown-linux-gnu, stable, sudo apt update && sudo apt install gcc-multilib)	4m 1s
test (x86_64-unknown-linux-gnu, 1.65.0)	5m 29s
test (x86_64-unknown-linux-gnu, stable)	2m 44s
	58m 29s

Provide feedback