Make it clear billed usage wasn't impacted for the release notes

Author: matt-aitken

.changeset/void-ipc-acks.md

@@ -2,4 +2,4 @@
 "@trigger.dev/core": patch
 ---
 
-Fix a ~6-second delay between a task finishing and its run completing (and a ~31-second delay when cancelling a run) in projects that use zod 4.4 or newer.
+Fix a ~6-second delay between a task finishing and its run completing (and a ~31-second delay when cancelling a run) in projects that use zod 4.4 or newer. Run cost and billed usage was not impacted by this issue.