Track upstream features that we want to use

[zh-jq-b]

Missing Feature

h2:

• Figure out what to do about informational status codes hyperium/h2#167
  To support 100-Continue and 103-Early Hints

New Features

cargo:

• Allow specifying a set of supported target platforms in Cargo.toml rust-lang/cargo#6179
  This can help us to remove unused dependencies in Cargo.lock.

OpenSSL:

• ECH-PR openssl/openssl#22938
  Encrypted Client Hello

Rustls:

• Encrypted Client Hello support (client only) rustls/rustls#1718
  Encrypted Client Hello

Unsound Problems

QAT Engine:

• Segmentation fault when canceling paused jobs intel/QAT_Engine#292
  Currently we have to use a really large timeout value to workaround this problem.

OpenSSL:

• How to cancel a async job after async engine return ASYNC_PAUSE? openssl/openssl#23158
  Async Job may cause segment fault

Performance

OpenSSL:

• 3.0 Performance problems openssl/openssl#17627
  3.x Performance need to be improved

Rustls:

• Improving performance of ServerSessionMemoryCache rustls/rustls#1503
  Improve server session cache