cmake HAVE_RUSTLS_SUPPORTED_HPKE examples

percona/percona-server extra/curl/curl-8.14.1/CMakeLists.txt :941 

check_symbol_exists("rustls_supported_hpke" "rustls.h" HAVE_RUSTLS_SUPPORTED_HPKE)

mysql/mysql-server extra/curl/curl-8.14.1/CMakeLists.txt :941 

check_symbol_exists("rustls_supported_hpke" "rustls.h" HAVE_RUSTLS_SUPPORTED_HPKE)