require core.async in time

resources/META-INF/babashka/deps.edn

@@ -164,3 +164,4 @@
            :test-pod
            {:extra-paths ["test-resources"]
             :main-opts ["-m" "babashka.main" "test-resources/pod.clj"]}}}
+;; release

src/babashka/impl/classes.clj

@@ -4,6 +4,7 @@
    [babashka.impl.features :as features]
    [babashka.impl.proxy :as proxy]
    [cheshire.core :as json]
+   [clojure.core.async]
    [sci.impl.types :as t]))
 
 (def base-custom-map