Log Message:
Changes 1.22.0:
lib: Add missing free call on error in inflight_settings_new()
asio: Support specifying stream priority via session::submit()
nghttpx: Clarify --conf option behaviour
nghttpx: Add $tls_sni access log variable
nghttpx: Rename ssl_* log variables as tls_*
nghttpx: Fix path matching bug
nghttpx: SNI based backend server selection
nghttpx: Enable signed_certificate_timestamp extension for TLSv1.3
nghttpx: Add options for X-Forwarded-Proto header field
nghttpx: Add --single-process option
nghttpx: Use 502 as server error code
nghttpx: Use SSL_CTX_set_early_data_enabled with boringssl
nghttp: Verify server certificate and show warning if it fails
integration: Use nip.io instead of xip.io