Move scheduled release forward to 5am PT.

This way it is ready for us first thing in the morning.
diff --git a/.github/workflows/schedule_candidate_release.yml b/.github/workflows/schedule_candidate_release.yml
index 993f721..700170e 100644
--- a/.github/workflows/schedule_candidate_release.yml
+++ b/.github/workflows/schedule_candidate_release.yml
@@ -2,7 +2,7 @@
 
 on:
   schedule:
-    - cron: '0 18 * * *'
+    - cron: '0 13 * * *'
 
   workflow_dispatch: