changed gitlab ci jobs in cdk.yml to use rules

Author: briancaffey

gitlab-ci/aws/cdk.yml

@@ -35,8 +35,6 @@ cdk deploy:
   services:
     - docker:19.03.5-dind
   stage: deploy
-  only:
-    - master
   variables:
     ENVIRONMENT: dev
     DOCKER_TLS_CERTDIR: ""
@@ -52,9 +50,8 @@ cdk deploy:
 .base_task: &task
   image: python:3.8
   stage: deploy
-  only:
-    - master
-  when: manual
+  rules:
+    - when: manual
   before_script:
     - pip install awscli
     - apt-get -qq update && apt-get -y install jq