Exclude pre-releases

Exclude pre-releases since no version tagging is applied atm.

.github/workflows/build-docker.yml

@@ -4,7 +4,7 @@ on:
   workflow_dispatch:
   workflow_call:
   release:
-    types: [published]
+    types: [released]
 
 env:
   CLOJURE_VERSION: '1.10.1.727'