alloydb: Revert incorrect removal of machine_type from machine_config (it is GA) (#14470) (#10330)

[upstream:74b39560c129dbb2fbf72e0c90c45a046a1ebafc]

Signed-off-by: Modular Magician <[email protected]>

Author: modular-magician

.changelog/14470.txt

@@ -0,0 +1,3 @@
+```release-note:bug
+alloydb: Restored support for the machine_type field in the machine_config block. It is GA.
+```

google-beta/services/alloydb/resource_alloydb_instance_test.go

@@ -8,7 +8,7 @@
 //
 //	This code is generated by Magic Modules using the following:
 //
-//	Source file: https://github.com/GoogleCloudPlatform/magic-modules/tree/main/mmv1/third_party/terraform/services/alloydb/resource_alloydb_instance_test.go.tmpl
+//	Source file: https://github.com/GoogleCloudPlatform/magic-modules/tree/main/mmv1/third_party/terraform/services/alloydb/resource_alloydb_instance_test.go
 //
 //	DO NOT EDIT this file directly. Any changes made to this file will be
 //	overwritten during the next generation cycle.
@@ -98,7 +98,6 @@ resource "google_alloydb_instance" "default" {
   machine_config {
     cpu_count = 4
     machine_type = "n2-highmem-4"
-    
   }
 
   labels = {
@@ -972,7 +971,6 @@ resource "google_alloydb_instance" "default" {
   machine_config {
     cpu_count = 2
     machine_type = "n2-highmem-2"
-    
   }
   psc_instance_config {
 	allowed_consumer_projects = ["${data.google_project.project.number}"]

website/docs/r/alloydb_instance.html.markdown

@@ -345,7 +345,7 @@ The following arguments are supported:
   The number of CPU's in the VM instance.
 
 * `machine_type` -
-  (Optional, [Beta](https://terraform.io/docs/providers/google/guides/provider_versions.html))
+  (Optional)
   Machine type of the VM instance.
   E.g. "n2-highmem-4", "n2-highmem-8", "c4a-highmem-4-lssd".
   `cpu_count` must match the number of vCPUs in the machine type.