k8s: Fix wrong WithValues invocation

[RafalKorepta]

The WithValues requires to have pairs of key and value fileds for logger to report any additional context.

Fixes #7818

Backports Required

• none - not a bug fix
• none - issue does not exist in previous branches
• none - papercut/not impactful enough to backport
• v22.3.x
• v22.2.x
• v22.1.x

Release Notes

Bug Fixes

• Fix operator panic during decommissioning logging

[RafalKorepta]

Hitting not related error:

test_id:    rptest.tests.nodes_decommissioning_test.NodesDecommissioningTest.test_multiple_decommissions
--
  | status:     FAIL
  | run time:   2 minutes 10.035 seconds
  |  
  |  
  | TimeoutError('')
  | 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/nodes_decommissioning_test.py", line 471, in test_multiple_decommissions
  | wait_until(lambda: self._partitions_moving(),
  | 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

https://buildkite.com/redpanda/redpanda/builds/19980#01852a1b-7abc-4f14-bf21-eea4854834b5/6-2747

[RafalKorepta]

/backport v22.3.x