emqx4.3/changes/ce/fix-11623.en.md

Upgrade library esockd from 5.9.6 to 5.9.7

This upgrade included

• Enhancements regarding proxy protocol error and timeout. esockd pr#178
• Lowered ssl_error exceptions to info level logging. esockd pr#180
• Malformed MQTT packet parsing exception log level is lowered from error to info.
• In command emqx ctl listeners output, the shutdown_count counter is incremented when TLS handshake failure (ssl_error) or Malformed packet (frame_error) happens.