client-side encrypted client hello (ECH) support #1708

Job	Run time
Clippy	54s
Clang Tidy	8s
Build+test (clang, aws-lc-rs, stable, ubuntu-latest)	4m 42s
Certificate Compression	1m 57s
Build+test (clang, aws-lc-rs, beta, ubuntu-latest)	4m 44s
Clippy nightly (optional)	1m 28s
Check for documentation errors	55s
Build+test (clang, aws-lc-rs, nightly, ubuntu-latest)	4m 34s
Build+test (clang, aws-lc-rs, 1.71.0, ubuntu-latest)	5m 10s
ensure-header-updated	1m 40s
Build+test (clang, ring, stable, ubuntu-latest)	2m 50s
FIPS	2m 47s
Format	14s
Build+test (clang, ring, beta, ubuntu-latest)	3m 1s
Check minimum versions	1m 44s
Build+test (clang, ring, nightly, ubuntu-latest)	2m 58s
Miri	1m 31s
Build+test (clang, ring, 1.71.0, ubuntu-latest)	3m 24s
Windows CMake, Cert. Compression	5m 57s
Windows CMake, Debug configuration (aws-lc-rs)	3m 24s
Build+test (gcc, aws-lc-rs, stable, ubuntu-latest)	3m 52s
Windows CMake, Debug configuration (ring)	3m 15s
Windows CMake, Release configuration (aws-lc-rs)	5m 51s
Build+test (gcc, aws-lc-rs, beta, ubuntu-latest)	3m 59s
Valgrind	3m 41s
Windows CMake, Release configuration (ring)	4m 51s
Build+test (gcc, aws-lc-rs, nightly, ubuntu-latest)	4m 3s
Build+test (gcc, aws-lc-rs, 1.71.0, ubuntu-latest)	4m 35s
Build+test (gcc, ring, stable, ubuntu-latest)	2m 48s
Build+test (gcc, ring, beta, ubuntu-latest)	2m 58s
Build+test (gcc, ring, nightly, ubuntu-latest)	2m 53s
Build+test (gcc, ring, 1.71.0, ubuntu-latest)	3m 24s
Build+test (macos-latest, clang, aws-lc-rs, stable)	5m 19s
	1h 45m 31s

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