chore: use postgresql version as on PROD

Author: maxceem

local/docker-compose.yml

@@ -2,7 +2,7 @@ version: "3"
 services:
   postgres:
     container_name: tc-taas-postgres
-    image: postgres
+    image: postgres:11.8
     environment:
       POSTGRES_USER: postgres
       POSTGRES_PASSWORD: postgres
@@ -85,4 +85,4 @@ services:
       - AUTH0_AUDIENCE
       - AUTH0_CLIENT_ID
       - AUTH0_CLIENT_SECRET
-      - AUTH0_PROXY_SERVER_URL
+      - AUTH0_PROXY_SERVER_URL