feat: upgrade psql version to 13(#834)

Author: cka-y

docker-compose.yaml

@@ -1,7 +1,7 @@
 services:
   postgres:
     container_name: database
-    image: postgis/postgis
+    image: postgis/postgis:13-3.5
     # Fix warning message on arm64 machines
     platform: linux/amd64
     healthcheck:
@@ -25,7 +25,7 @@ services:
       - local
   postgres-test:
     container_name: database_test
-    image: postgis/postgis
+    image: postgis/postgis:13-3.5
     # Fix warning message on arm64 machines
     platform: linux/amd64
     healthcheck:

infra/postgresql/main.tf

@@ -51,7 +51,7 @@ resource "google_service_networking_connection" "private_vpc_connection" {
 
 resource "google_sql_database_instance" "db" {
   name             = var.postgresql_instance_name
-  database_version = "POSTGRES_12"
+  database_version = "POSTGRES_13"
   region           = var.gcp_region
   # This property protects the DB from deletion only for terraform commands
   # settings.deletion_protection_enabled protects the DB from deletion in the GCP console and GCP API