chore: trigger workflow on weekdays only

Author: heitorlessa

.github/workflows/pre-release.yml

@@ -34,8 +34,8 @@ on:
         type: boolean
         required: false
   schedule:
-    # Note: run daily at 8am UTC time
-    - cron: "0 8 * * *"
+    # Note: run daily on weekdays at 8am UTC time
+    - cron: "0 8 * * 1-5"
 
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   contents: read