add aws-lc-rs-fips feature, adjust sys dep #2056

Job	Run time
Validate external types appearing in public API	57s
Clippy	1m 4s
Measure coverage	1m 6s
Check cross compilation targets	30s
Cargo Deny	10s
Feature Powerset	1m 15s
MSRV	59s
Verify that no-std modes do not rely on libstd (--no-default-features)	6s
Cargo Package	47s
Verify that no-std modes do not rely on libstd (--no-default-features --features alloc)	9s
Check for documentation errors (stable)	51s
Format	3s
Check for documentation errors (beta)	1m 1s
Check semver compatibility	3m 19s
Check for documentation errors (nightly)	58s
Build+test (--all-features, stable)	1m 8s
Build+test (stable, ubuntu-latest)	42s
Build+test (--features=alloc, stable, ubuntu-latest)	52s
Build+test (--no-default-features, stable, ubuntu-latest)	30s
Build+test (--no-default-features --features alloc,std, stable, ubuntu-latest)	32s
Build+test (--all-features, --release, stable, ubuntu-latest)	2m 3s
Build+test (--all-features, nightly, ubuntu-latest)	1m 8s
Build+test (--all-features, beta, ubuntu-latest)	1m 14s
Build+test (--no-default-features --features alloc,std,aws-lc-rs, stable, macos-latest)	50s
Build+test (--no-default-features --features alloc,std,aws-lc-rs, stable, windows-latest)	3m 10s
Build+test (--no-default-features --features alloc,std,aws-lc-rs, stable, ubuntu-latest)	40s
	26m 4s

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