fix(compute): remove proto3_optional from parent_id (#712) (#712)

- [ ] Regenerate this pull request now.

Source-Link: googleapis/googleapis@fd16b6a

Source-Link: googleapis/googleapis-gen@d935b98
Copy-Tag: eyJwIjoiLmdpdGh1Yi8uT3dsQm90LnlhbWwiLCJoIjoiZDkzNWI5ODQ3YTFiNzA4YWI0ZTY5NjMyMGJhNjBjZTAzNDFjNWQ3YSJ9

fix(compute): replace missing REQUIRED for parent_id (#711)
Source-Link: googleapis/googleapis@4bb6fd6

Source-Link: googleapis/googleapis-gen@c7d0653
Copy-Tag: eyJwIjoiLmdpdGh1Yi8uT3dsQm90LnlhbWwiLCJoIjoiYzdkMDY1MzNiZTZlMjQ3MGUzNmI5ZjM1MWFlNGZmNDc5YTQ3ZGM1MyJ9

packages/google-cloud-compute/protos/google/cloud/compute/v1/compute.proto

@@ -9946,7 +9946,10 @@ message InsertFirewallPolicyRequest {
   FirewallPolicy firewall_policy_resource = 495049532 [(google.api.field_behavior) = REQUIRED];
 
   // Parent ID for this request. The ID can be either be "folders/[FOLDER_ID]" if the parent is a folder or "organizations/[ORGANIZATION_ID]" if the parent is an organization.
-  optional string parent_id = 459714768 [(google.cloud.operation_request_field) = "parent_id"];
+  string parent_id = 459714768 [
+    (google.cloud.operation_request_field) = "parent_id",
+    (google.api.field_behavior) = REQUIRED
+  ];
 
   // An optional request ID to identify requests. Specify a unique request ID so that if you must retry your request, the server will know to ignore the request if it has already been completed. For example, consider a situation where you make an initial request and the request times out. If you make the request again with the same request ID, the server can check if original operation with the same request ID was received, and if so, will ignore the second request. This prevents clients from accidentally creating duplicate commitments. The request ID must be a valid UUID with the exception that zero UUID is not supported ( 00000000-0000-0000-0000-000000000000).
   optional string request_id = 37109963;

packages/google-cloud-compute/samples/generated/v1/firewall_policies.insert.js

@@ -20,7 +20,7 @@
 
 'use strict';
 
-function main(firewallPolicyResource) {
+function main(firewallPolicyResource, parentId) {
   // [START compute_v1_generated_FirewallPolicies_Insert_async]
   /**
    * TODO(developer): Uncomment these variables before running the sample.
@@ -48,6 +48,7 @@ function main(firewallPolicyResource) {
     // Construct request
     const request = {
       firewallPolicyResource,
+      parentId,
     };
 
     // Run request

packages/google-cloud-compute/samples/generated/v1/snippet_metadata.google.cloud.compute.v1.json

@@ -3514,7 +3514,7 @@
       "segments": [
         {
           "start": 25,
-          "end": 58,
+          "end": 59,
           "type": "FULL"
         }
       ],