feat: shared TLS ticket keys across workers

fix: rotate TLS ticket keys hourly
fix: reduce TLS handshake timeout to deter slow loris
feat: keepalive workers IPC to detect crashed workers
feat: exit master process if any worker crashes
2 jobs for master in 2 minutes and 44 seconds
Status Job ID Name Coverage
  Test
passed #200547978
test:current

00:02:22

passed #200547979
test:lts-10

00:02:43