v0.1.0-alpha.47

• Processes spawned by other processes now inherit the chain's
  originator and wake target, and a process can always await or cancel
  handles it created itself. The ephemeral execution scope no longer
  appears in any durable state.
• Signal delivery cost on the Restate tier stays flat as a process's
  event history grows, and session process snapshots return a bounded
  recent-event tail instead of full histories (page with events_after
  for more).
• Every release now ships curated notes: commit bodies carry
  Release-Notes sections that become the GitHub release body, enforced
  at release time.
• The nightly performance guard is restored as the perf-budget
  enforcement point, with new process-path stress phases.

Full Changelog: v0.1.0-alpha.46...v0.1.0-alpha.47