ci: Rename default name database

Author: klerick

.github/workflows/ci.yml

@@ -41,6 +41,7 @@ jobs:
         # Provide the password for postgres
         env:
           POSTGRES_PASSWORD: postgres
+          POSTGRES_DB: json-api-db
         # Set health checks to wait until postgres has started
         options: >-
           --health-cmd pg_isready