Support FIPS feature w/ old compilers #1039

Job	Run time
apidiff (aws-lc-sys, branch)	2m 31s
bindgen-dependency (ubuntu-latest)	28s
apidiff (aws-lc-sys, published)	2m 44s
bindgen-dependency (macos-13)	44s
apidiff (aws-lc-fips-sys, branch)	3m 4s
bindgen-dependency (macos-14-xlarge)	29s
apidiff (aws-lc-fips-sys, published)	3m 9s
bindgen-dependency (windows-latest)	1m 3s
apidiff (aws-lc-rs, branch)	2m 36s
bindgen-fips-dependency (ubuntu-latest)	20s
apidiff (aws-lc-rs, published)	2m 59s
bindgen-fips-dependency (macos-13)	41s
clippy (aws-lc-rs, --features bindgen,unstable)	41s
bindgen-fips-dependency (macos-14-xlarge)	32s
clippy (aws-lc-rs, --features bindgen,unstable,fips)	41s
bindgen-fips-dependency (windows-latest)	1m 4s
copyright	13s
clippy (aws-lc-rs, --no-default-features --features aws-lc-sys)	34s
dependency-review	21s
Resolve the dependencies to the minimum SemVer version (aws-lc-rs)	44s
rustfmt	28s
semver-checks	1m 43s
Resolve the dependencies to the minimum SemVer version (aws-lc-sys)	48s
mirai-analysis	2m 10s
Resolve the dependencies to the minimum SemVer version (aws-lc-fips-sys)	1m 10s
udeps	7m 27s
metadata-checks	35s
	39m 59s

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