Upgrade CircleCI Docker image

Author: KingMob

.circleci/config.yml

@@ -25,7 +25,7 @@ jobs:
   build:
     docker:
       # specify the version you desire here
-      - image: circleci/clojure:openjdk-8-lein-2.9.1
+      - image: cimg/clojure:1.11.1-openjdk-8.0
 
       # Specify service dependencies here if necessary
       # CircleCI maintains a library of pre-built images