Update PostgreSQL default version to 17

Author: kofrezo

.github/workflows/tests.yml

@@ -19,7 +19,7 @@ jobs:
 
     services:
       db:
-        image: 'postgres:15'
+        image: 'postgres:17'
         env:
           POSTGRES_USER: serveradmin
           POSTGRES_PASSWORD: serveradmin

docker-compose.yml

@@ -2,7 +2,7 @@ version: "3.9"
 
 services:
   db:
-    image: "postgres:15"
+    image: "postgres:17"
     environment:
       - POSTGRES_DB=${POSTGRES_DB}
       - POSTGRES_USER=${POSTGRES_USER}