Bug: autoscale-scheduler deadlock panic

[piercypixel]

{"level":"panic","ts":1699122550.6897972,"logger":"autoscale-scheduler","caller":"plugin/plugin.go:236","msg":"deadlock checker for AutoscaleEnforcer.state.lock panicked","error":"likely deadlock detected, could not get lock after 1s","stacktrace":"github.com/neondatabase/autoscaling/pkg/plugin.makeAutoscaleEnforcerPlugin.func13.1\n\t/workspace/pkg/plugin/plugin.go:236\nruntime.gopanic\n\t/usr/local/go/src/runtime/panic.go:884\ngithub.com/neondatabase/autoscaling/pkg/util.(*ChanMutex).DeadlockChecker.func1\n\t/workspace/pkg/util/chanmutex.go:102\ngithub.com/neondatabase/autoscaling/pkg/plugin.makeAutoscaleEnforcerPlugin.func13\n\t/workspace/pkg/plugin/plugin.go:240"}

Encountered during a 10k VM cap test https://github.com/neondatabase/cloud/issues/7772