fix: disable cache dependencies for docker build, the downloading of ./target takes up too much space, and we're not building anyway

Author: kristof-mattei

.github/workflows/ci.yml

@@ -376,7 +376,8 @@ jobs:
     steps:
       - *checkout
 
-      - *cache_dependencies
+      # nothing to cache here
+      # - *cache_dependencies
 
       - *set_up_mold