Fix indents in CI YAML

.github/workflows/ci.yml

@@ -1,9 +1,11 @@
 name: Continuous Integration
 on:
   push:
-    branches: [ "main" ]
+    branches:
+      - main
   pull_request:
-    branches: [ "main" ]
+    branches:
+      - main
   workflow_dispatch:
 env:
   MWL_TEST_RETHINK_URI: rethinkdb://localhost/mwl_test
@@ -35,7 +37,6 @@ jobs:
         image: rethinkdb:latest
         ports:
           - 28015:28015
-        - 29015:29015
     
     steps:
       - name: Check Out Code