CI Failure (fuzzer timeout) in ControllerUpgradeTest.test_updating_cluster_when_executing_operations

[jcsp]

This is an identical backtrace to #8083, but it's unlikely to be literally the same issue (alterconfigs not happening), as we fixed that an the exception is quite generic.

https://buildkite.com/redpanda/redpanda/builds/22278#01860de7-4832-45c7-9728-016203c91204

Module: rptest.tests.controller_upgrade_test
Class:  ControllerUpgradeTest
Method: test_updating_cluster_when_executing_operations

Traceback (most recent call last):
  File "/usr/local/lib/python3.10/dist-packages/ducktape/tests/runner_client.py", line 135, in run
    data = self.run_test()
  File "/usr/local/lib/python3.10/dist-packages/ducktape/tests/runner_client.py", line 227, in run_test
    return self.test_context.function(self.test)
  File "/root/tests/rptest/services/cluster.py", line 35, in wrapped
    r = f(self, *args, **kwargs)
  File "/root/tests/rptest/tests/controller_upgrade_test.py", line 113, in test_updating_cluster_when_executing_operations
    admin_fuzz.wait(num_executed_before_restart + 2, 240)
  File "/root/tests/rptest/services/admin_ops_fuzzer.py", line 609, in wait
    wait_until(check, timeout_sec=timeout, backoff_sec=2)
  File "/usr/local/lib/python3.10/dist-packages/ducktape/utils/util.py", line 53, in wait_until
    raise e
  File "/usr/local/lib/python3.10/dist-packages/ducktape/utils/util.py", line 44, in wait_until
    if condition():
  File "/root/tests/rptest/services/admin_ops_fuzzer.py", line 597, in check
    raise self.error
  File "/root/tests/rptest/services/admin_ops_fuzzer.py", line 490, in thread_loop
    wait_until(validate_result,
  File "/usr/local/lib/python3.10/dist-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