Minor adjustments to key_wrap module API #25

Job	Run time
dependency-review	19s
clippy (aws-lc-sys, --features bindgen)	1m 6s
clippy (aws-lc-fips-sys, --features bindgen)	1m 15s
apidiff (aws-lc-sys, branch)	2m 6s
Resolve the dependencies to the minimum SemVer version	38s
apidiff (aws-lc-sys, published)	2m 18s
clippy (aws-lc-rs, --features bindgen)	1m 6s
clippy (aws-lc-rs, --features bindgen,fips)	1m 33s
apidiff (aws-lc-fips-sys, branch)	2m 28s
mirai-analysis	2m 44s
apidiff (aws-lc-fips-sys, published)	2m 39s
Minimum Supported Rust Version	5m 16s
apidiff (aws-lc-rs, branch)	2m 7s
apidiff (aws-lc-rs, published)	2m 24s
rustfmt	30s
udeps	7m 49s
copyright	3s
semver-checks	56s
	37m 17s

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