Release 1.12.12

[1.12.12] - 2024-04-11

Added

• options :async-support and :load-on-startup to tomcat/tc-start
  servlet options
• :ring support for asynchronous handlers. See example "async-webapp.venice".
• :ring support for Server-Side-Events. See example "sse-webapp.venice".
• content encoding (gzip, deflate) support for http client response processing
• support for server-side-events processing in the http client