Update modules/mysql/main.tf

Add beta provider

Co-Authored-By: autero1 <petri.autero@gmail.com>

modules/mysql/main.tf

@@ -12,6 +12,7 @@
 # ------------------------------------------------------------------------------
 
 resource "google_sql_database_instance" "master" {
+  provider = "google-beta"
   name                 = "${var.name}"
   project              = "${var.project}"
   region               = "${var.region}"
@@ -58,4 +59,4 @@ resource "google_sql_user" "default" {
   instance = "${google_sql_database_instance.master.name}"
   host     = "${var.master_host}"
   password = "${var.master_password}"
-}
+}