ci: Fix triggering CircleCI release builds (#20275)

* ci: fix circleCI handling of booleans

* Explicitly specify 2.1

.circleci/config.yml

@@ -1789,7 +1789,7 @@ jobs:
       - *step-maybe-notify-slack-success
 
 workflows:
-  version: 2
+  version: 2.1
 
   # The publish workflows below each contain one job so that they are 
   # compatible with how sudowoodo works today.  If these workflows are