use abigail to verify our api surface is compatible #362

Job	Run time
Clippy	43s
QEMU build & test (stable, ubuntu-latest, s390x-unknown-linux-gnu, s390x-linux-gnu-gcc, qemu-s390...	1m 29s
Build and test (stable, ubuntu-latest, x86_64-unknown-linux-gnu)	59s
Clippy (--no-default-features --features="c-allocator")	15s
QEMU build & test (stable, ubuntu-latest, i686-unknown-linux-gnu, i686-linux-gnu-gcc)	28s
cargo-c dynamic library	20s
Build and test (msrv, ubuntu-latest, x86_64-unknown-linux-gnu)	46s
Clippy (--no-default-features --features="std,rust-allocator")	13s
Build and test (beta, ubuntu-latest, x86_64-unknown-linux-gnu)	38s
Build and test (stable, macos-latest, x86_64-apple-darwin)	1m 22s
Smoke-test fuzzing targets (ubuntu-20.04, default)	1m 41s
Build and test (stable, macos-14, aarch64-apple-darwin)	38s
vanilla dynamic library	27s
Miri	1m 23s
Smoke-test fuzzing targets (ubuntu-20.04, c-allocator)	1m 42s
Build and test (stable-x86_64-gnu, windows-2022, x86_64-pc-windows-gnu)	1m 39s
Smoke-test fuzzing targets (ubuntu-20.04, rust-allocator)	1m 40s
Smoke-test fuzzing targets (macos-14)	1m 51s
wasm32	24s
	18m 38s

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