feat: support diregapic LRO

[summer-ji-eng]

Enable Diregapic LRO for compute.

Sample code to call diregapic LRO:

const client = new compute.FirewallsClient();
  const [operation] = await client.insert({
    project,
    firewallResource: resource,
  });
  const [response] = await operation.promise();

[snippet-bot[bot]]

Here is the summary of changes.

You are about to add 6 region tags.

• baselines/compute/samples/generated/v1small/addresses.aggregated_list.js.baseline:24, tag compute_v1small_generated_Addresses_AggregatedList_async
• baselines/compute/samples/generated/v1small/addresses.delete.js.baseline:24, tag compute_v1small_generated_Addresses_Delete_async
• baselines/compute/samples/generated/v1small/addresses.insert.js.baseline:24, tag compute_v1small_generated_Addresses_Insert_async
• baselines/compute/samples/generated/v1small/addresses.list.js.baseline:24, tag compute_v1small_generated_Addresses_List_async
• baselines/compute/samples/generated/v1small/region_operations.get.js.baseline:24, tag compute_v1small_generated_RegionOperations_Get_async
• baselines/compute/samples/generated/v1small/region_operations.wait.js.baseline:24, tag compute_v1small_generated_RegionOperations_Wait_async

You are about to delete 6 region tags.

• baselines/compute/samples/generated/v1/addresses.aggregated_list.js.baseline:24, tag compute_v1_generated_Addresses_AggregatedList_async
• baselines/compute/samples/generated/v1/addresses.delete.js.baseline:24, tag compute_v1_generated_Addresses_Delete_async
• baselines/compute/samples/generated/v1/addresses.insert.js.baseline:24, tag compute_v1_generated_Addresses_Insert_async
• baselines/compute/samples/generated/v1/addresses.list.js.baseline:24, tag compute_v1_generated_Addresses_List_async
• baselines/compute/samples/generated/v1/region_operations.get.js.baseline:24, tag compute_v1_generated_RegionOperations_Get_async
• baselines/compute/samples/generated/v1/region_operations.wait.js.baseline:24, tag compute_v1_generated_RegionOperations_Wait_async

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[summer-ji-eng]

Wait for gax-nodejs enable the diregapic lro(https://github.com/googleapis/gax-nodejs/pull/1119)