Update locker.yml

.github/workflows/locker.yml

 name: Locker
 on:
   schedule:
-    - cron: 0 * * * *
+    - cron: 20 23 * * * # Daily at 4:20pm PDT
+
+# Note for locker:
+# The query for is:unlocked will return issues that have only recently been locked
+# `Recent` can be a large number of days (I've seen up to 10)
+# This thus has the potential to burn through more quota than it probably ought to
+# Run sparingly.
 
 jobs:
   main:
@@ -15,6 +21,6 @@ jobs:
       - name: Run Locker
         uses: ./locker
         with:
-          daysSinceClose: 1000
+          daysSinceClose: 45
           daysSinceUpdate: 3
           ignoredLabel: "*out-of-scope"