Bitrise change history: Long waiting times on Mac stacks due to degraded VM startup

Bitrise reported major (SEV-1) degradation of Builds (CI), with long Mac stack queue waits and build start delays due to degraded VM startup. It started at 2025-11-10 11:10 UTC and resolved at 2025-11-10 11:14 UTC; the reported duration was 3 min. Engineering released a mitigating fix and monitored systems before resolution.