`Int` - `Int`-`Uint` interoperability #1982

Job	Run time
build (1.83.0, thumbv7em-none-eabi)	47s
test (i686-unknown-linux-gnu, 1.83.0, sudo apt update && sudo apt install gcc-multilib)	1m 9s
build (1.83.0, wasm32-unknown-unknown)	43s
test (i686-unknown-linux-gnu, stable, sudo apt update && sudo apt install gcc-multilib)	1m 8s
build (stable, thumbv7em-none-eabi)	48s
careful	1m 41s
build-benchmarks	49s
test (x86_64-unknown-linux-gnu, 1.83.0)	56s
build (stable, wasm32-unknown-unknown)	47s
test (x86_64-unknown-linux-gnu, stable)	54s
clippy	22s
cross (aarch64-unknown-linux-gnu, stable)	1m 54s
doc	30s
minimal-versions	30s
cross (powerpc-unknown-linux-gnu, stable)	1m 50s
miri (x86_64-unknown-linux-gnu)	46s
rustfmt	12s
miri (s390x-unknown-linux-gnu)	55s
	16m 41s

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