Shutdown executors while stopping the server#4819

Merged

spericas merged 2 commits intohelidon-io:mainfrom

spericas:server-stop

Sep 9, 2022

Commits on Aug 30, 2022

Add code to stop() to shutdown executors. New test.
spericas
committed

Commits on Aug 31, 2022

Log executor rejections.
spericas
committed