Enable use of aws-lc-rs instead of ring #4708

Job	Run time
msrv	18s
test (ubuntu-latest, stable)	57s
test (ubuntu-latest, beta)	57s
audit	21s
features (ubuntu-latest)	10s
test (macos-latest, stable)	32s
features (macos-latest)	22s
test (windows-latest, stable)	1m 52s
lint	17s
features (windows-latest)	9s
test-android (x86_64-linux-android, x86_64, 26)	3m 17s
test-android (i686-linux-android, x86, 26)	4m 24s
test on freebsd	4m 30s
test-aws-lc-rs	44s
	18m 50s

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