resource/cloudflare_waiting_room: Add queueing_status_code to the Waiting Room resource

[emmanuelclflores]

Waiting Room has a new configuration field queueing_status_code that determines what HTTP status code is returned to a user while in the queue. Adds support for queueing_status_code to the Waiting Room resource.

Depends on cloudflare/cloudflare-go#1357

[github-actions]

changelog detected ✅

[jacobbednarz]

acceptance tests all looking good

TF_ACC=1 go test ./internal/sdkv2provider -v -run "^TestAccCloudflareWaitingRoom_" -count 1 -timeout 120m -parallel 1
=== RUN   TestAccCloudflareWaitingRoom_Create
=== PAUSE TestAccCloudflareWaitingRoom_Create
=== CONT  TestAccCloudflareWaitingRoom_Create
--- PASS: TestAccCloudflareWaitingRoom_Create (15.38s)
PASS
ok  	github.com/cloudflare/terraform-provider-cloudflare/internal/sdkv2provider	15.845s

[github-actions]

This functionality has been released in v4.13.0 of the Terraform Cloudflare Provider.

Please see the Terraform documentation on provider versioning or reach out if you need any assistance upgrading.

For further feature requests or bug reports with this functionality, please create a new GitHub issue following the template. Thank you!