Enable paas postgres extensions

We're not sure if they are used by the app or not but this caused errors
in the restore so we're enabling as well on Azure.

terraform/aks/database.tf

@@ -1,7 +1,7 @@
 module "postgres" {
   count  = var.deploy_postgres ? 1 : 0
   source = "./vendor/modules/aks//aks/postgres"
-  
+
   namespace                   = var.namespace
   environment                 = var.environment
   azure_resource_prefix       = var.azure_resource_prefix
@@ -14,7 +14,7 @@ module "postgres" {
   server_version              = "14"
   azure_sku_name          = var.postgres_flexible_server_sku
   azure_enable_backup_storage = var.azure_enable_backup_storage
-  azure_extensions            = ["POSTGIS", "address_standardizer", "plpgsql"]
+  azure_extensions            = ["POSTGIS", "address_standardizer", "plpgsql", "postgis_raster", "uuid-ossp", "citext"]
   azure_enable_high_availability = var.postgres_enable_high_availability
   azure_maintenance_window       = var.azure_maintenance_window
 }