chore(deps): update postgres docker tag to v17.6

Author: renovate[bot]

docker-compose.relational.ci.yaml

@@ -1,6 +1,6 @@
 services:
   postgres:
-    image: postgres:17.5-alpine
+    image: postgres:17.6-alpine
     expose:
       - 5432
     environment:

docker-compose.relational.test.yaml

@@ -1,6 +1,6 @@
 services:
   postgres:
-    image: postgres:17.5-alpine
+    image: postgres:17.6-alpine
     expose:
       - 5432
     environment:

docker-compose.yaml

@@ -1,6 +1,6 @@
 services:
   postgres:
-    image: postgres:17.5-alpine
+    image: postgres:17.6-alpine
     ports:
       - ${DATABASE_PORT}:5432
     volumes: