Update default value for bbrv1 in workflow

Change default value of bbrv1 from true to false.

.github/workflows/main.yml

@@ -69,7 +69,7 @@ on:
         description: "bbrv1"
         required: false
         type: boolean
-        default: true
+        default: false
         
       bbrv3:
         description: "bbrv3"