Merge pull request #57 from circleci/renovate/cljkondo-clj-kondo-2025.x

Update cljkondo/clj-kondo Docker tag to v2025.12.23

Author: stig

.circleci/config.yml

@@ -8,7 +8,7 @@ version: 2
 jobs:
   clj-kondo:
     docker:
-      - image: cljkondo/clj-kondo:2025.10.23
+      - image: cljkondo/clj-kondo:2025.12.23
     steps:
       - checkout
       - run: clj-kondo --lint .