chore(gitlab-ci): also link postgres to test:dev

.gitlab-ci.yml

@@ -1,5 +1,6 @@
 default:
-  image: fpco/stack-build:lts-13.21
+  image:
+    name: fpco/stack-build:lts-13.21
   cache:
     key: "${CI_COMMIT_REF_SLUG}"
     paths:
@@ -138,6 +139,10 @@ hlint:dev:
       - $CI_COMMIT_REF_NAME !~ /^v[0-9].*/
 
 yesod:test:dev:
+  services:
+    - name: postgres:10.10
+      alias: postgres
+
   stage: test
   script:
     - stack test --coverage --fast --flag uniworx:-library-only --flag uniworx:dev --flag uniworx:pedantic --skip hlint
@@ -175,7 +180,8 @@ hlint:
 
 yesod:test:
   services:
-    - postgres:10.10
+    - name: postgres:10.10
+      alias: postgres
 
   stage: test
   script: