chore(deps): update docker docker tag to v19.03.13

.gitlab-ci.yml

@@ -11,9 +11,9 @@ stages:
   # - demo
 
 build:
-  image: docker:19.03.12
+  image: docker:19.03.13
   services:
-    - docker:19.03.12-dind
+    - docker:19.03.13-dind
   stage: build
   script:
     - if [ -z "$DOCKERHUB_USERNAME" ] || [ -z "$DOCKERHUB_PASSWORD" ]; then echo "Not pushing" && exit 0; fi