Ported the implementation of binary search from Rust <=1.81 to Soroban #4279

Job	Run time
check-git-rev-deps	16s
fmt	14s
cackle	1m 16s
build-and-test (msrv, 20, ubuntu-latest, wasm32-unknown-unknown, false)	9m 3s
cargo-deny (advisories)	45s
build-and-test (msrv, 20, ubuntu-latest-16-cores, x86_64-unknown-linux-gnu, true)	20m 11s
cargo-deny (bans licenses sources)	44s
semver-checks	2m 5s
build-and-test (msrv, 21, ubuntu-latest, wasm32-unknown-unknown, false)	9m 3s
build-and-test (msrv, 21, ubuntu-latest-16-cores, x86_64-unknown-linux-gnu, true)	20m 1s
build-and-test (latest, 20, ubuntu-latest, wasm32-unknown-unknown, false)	10m 51s
build-and-test (latest, 20, ubuntu-latest-16-cores, x86_64-unknown-linux-gnu, true)	17m 56s
build-and-test (latest, 21, ubuntu-latest, wasm32-unknown-unknown, false)	8m 44s
build-and-test (latest, 21, ubuntu-latest-16-cores, x86_64-unknown-linux-gnu, true)	18m 24s
publish-dry-run (ubuntu-latest, wasm32-unknown-unknown) / publish-dry-run / publish-dry-run	45m 49s
publish-dry-run (ubuntu-latest, x86_64-unknown-linux-gnu) / publish-dry-run / publish-dry-run	45m 16s
complete	1s
	3h 30m 39s

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