CI Failure (key symptom) in `DeleteRecordsTest.test_delete_records_topic_policy_change`

[vbotbuildovich]

https://buildkite.com/redpanda/vtools/builds/15023

Module: rptest.tests.delete_records_test
Class: DeleteRecordsTest
Method: test_delete_records_topic_policy_change
Arguments: {
    "cloud_storage_enabled": true
}

test_id:    DeleteRecordsTest.test_delete_records_topic_policy_change
status:     FAIL
run time:   93.595 seconds

TimeoutError('')
Traceback (most recent call last):
  File "/opt/.ducktape-venv/lib/python3.10/site-packages/ducktape/tests/runner_client.py", line 184, in _do_run
    data = self.run_test()
  File "/opt/.ducktape-venv/lib/python3.10/site-packages/ducktape/tests/runner_client.py", line 276, in run_test
    return self.test_context.function(self.test)
  File "/opt/.ducktape-venv/lib/python3.10/site-packages/ducktape/mark/_mark.py", line 535, in wrapper
    return functools.partial(f, *args, **kwargs)(*w_args, **w_kwargs)
  File "/home/ubuntu/redpanda/tests/rptest/services/cluster.py", line 214, in wrapped
    self.redpanda.maybe_do_internal_scrub()
  File "/home/ubuntu/redpanda/tests/rptest/services/redpanda.py", line 4758, in maybe_do_internal_scrub
    cloud_partitions = self.wait_for_manifest_uploads()
  File "/home/ubuntu/redpanda/tests/rptest/services/redpanda.py", line 4821, in wait_for_manifest_uploads
    wait_until(all_partitions_uploaded_manifest,
  File "/opt/.ducktape-venv/lib/python3.10/site-packages/ducktape/utils/util.py", line 57, in wait_until
    raise TimeoutError(err_msg() if callable(err_msg) else err_msg) from last_exception
ducktape.errors.TimeoutError

JIRA Link: CORE-4587

[Mike Boquard]

Fixed by: #20310