2.3.12-rc.1

What's Changed

• fix(envoy-client): ack terminating stop commands so pegboard-envoy stops replaying them by @abcxff in #5565
• feat(container-runner): drain children and engine concurrently on SIGTERM by @abcxff in #5584
• feat(container-runner): exit process when the last child stops by @abcxff in #5587
• chore(container-runner): tighten comments by @abcxff in #5589
• feat(container-runner): drain engine sleeps unless the idle timer fired by @abcxff in #5594
• feat(container-runner): jitter idle timeout to avoid teardown waves by @abcxff in #5595
• fix(container-runner): drain actors before announcing envoy shutdown so self-destroy tombstones by @abcxff in #5620
• feat(container-runner): self-destroy on repeated actor start by @abcxff in #5585
• feat(container-runner): sleep on startup idle timeout by @abcxff in #5586
• feat(container-runner): drain child before SIGTERM on engine pause by @abcxff in #5588

Full Changelog: v2.3.11...v2.3.12-rc.1