update ci-cd

• Use cache between builds to speed things up
• Remove unneeded tests as unit tests run everything

.gitlab-ci.yml

@@ -18,6 +18,12 @@ stages:
   - publish
   - deploy
 
+cache:
+  key: one-key-to-rule-them-all
+  paths:
+    - build
+    - .gradle
+
 ####
 # Templates:
 #   - install-aws: Install aws in a Alpine environment