Bump aws-lc-sys to v0.21.1 #886

Job	Run time
apidiff (aws-lc-sys, branch)	2m 45s
apidiff (aws-lc-sys, published)	2m 41s
apidiff (aws-lc-fips-sys, branch)	2m 45s
bindgen-fips-dependency (ubuntu-latest)	26s
apidiff (aws-lc-fips-sys, published)	2m 52s
bindgen-dependency (ubuntu-latest)	25s
bindgen-fips-dependency (macos-12)	50s
bindgen-dependency (macos-12)	53s
apidiff (aws-lc-rs, branch)	2m 39s
bindgen-fips-dependency (macos-13-xlarge)	34s
bindgen-dependency (macos-13-xlarge)	40s
bindgen-fips-dependency (windows-latest)	1m 1s
apidiff (aws-lc-rs, published)	2m 45s
bindgen-dependency (windows-latest)	59s
clippy (aws-lc-rs, --features bindgen,unstable)	1m 20s
mirai-analysis	2m 23s
dependency-review	25s
clippy (aws-lc-rs, --features bindgen,unstable,fips)	1m 42s
clippy (aws-lc-rs, --no-default-features --features aws-lc-sys)	53s
rustfmt	27s
udeps	7m 36s
copyright	4s
metadata-checks	37s
Resolve the dependencies to the minimum SemVer version	43s
semver-checks	3m 42s
	42m 7s

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