CI Failure (`Too Many Requests for url`) in `OMBValidationTest.test_max_connections`

[vbotbuildovich]

https://buildkite.com/redpanda/vtools/builds/13213 https://buildkite.com/redpanda/vtools/builds/13213 https://buildkite.com/redpanda/vtools/builds/13213

Module: rptest.redpanda_cloud_tests.omb_validation_test
Class: OMBValidationTest
Method: test_max_connections

test_id:    OMBValidationTest.test_max_connections
status:     FAIL
run time:   24.592 seconds

HTTPError('429 Client Error: Too Many Requests for url: https://cloud-api.ign.cloud.redpanda.com/api/v1/clusters-resources/install-pack-versions')
Traceback (most recent call last):
  File "/opt/.ducktape-venv/lib/python3.10/site-packages/ducktape/tests/runner_client.py", line 177, in _do_run
    self.test = self.test_context.cls(self.test_context)
  File "/home/ubuntu/redpanda/tests/rptest/redpanda_cloud_tests/omb_validation_test.py", line 72, in __init__
    super().__init__(test_ctx, *args, **kwargs)
  File "/home/ubuntu/redpanda/tests/rptest/tests/redpanda_cloud_test.py", line 25, in __init__
    self.redpanda = make_redpanda_cloud_service(test_context)
  File "/home/ubuntu/redpanda/tests/rptest/services/redpanda.py", line 4801, in make_redpanda_cloud_service
    return RedpandaServiceCloud(context,
  File "/home/ubuntu/redpanda/tests/rptest/services/redpanda.py", line 1570, in __init__
    cluster_id = self._cloud_cluster.create(superuser=self._superuser)
  File "/home/ubuntu/redpanda/tests/rptest/services/redpanda_cloud.py", line 911, in create
    self._create_new_cluster()
  File "/home/ubuntu/redpanda/tests/rptest/services/redpanda_cloud.py", line 628, in _create_new_cluster
    self._get_latest_install_pack_ver()
  File "/home/ubuntu/redpanda/tests/rptest/services/redpanda_cloud.py", line 418, in _get_latest_install_pack_ver
    versions = self.cloudv2._http_get(
  File "/home/ubuntu/redpanda/tests/rptest/services/provider_clients/rpcloud_client.py", line 65, in _http_get
    _r = self._handle_error(resp, quite=quite)
  File "/home/ubuntu/redpanda/tests/rptest/services/provider_clients/rpcloud_client.py", line 18, in _handle_error
    raise e
  File "/home/ubuntu/redpanda/tests/rptest/services/provider_clients/rpcloud_client.py", line 13, in _handle_error
    response.raise_for_status()
  File "/opt/.ducktape-venv/lib/python3.10/site-packages/requests/models.py", line 941, in raise_for_status
    raise HTTPError(http_error_msg, response=self)
requests.exceptions.HTTPError: 429 Client Error: Too Many Requests for url: https://cloud-api.ign.cloud.redpanda.com/api/v1/clusters-resources/install-pack-versions

JIRA Link: CORE-2672