add manual teardown manifests to test_keeper.py

[Slach]

python3 ./tests/regression.py --native --no-color --only="/regression/e2e.test_keeper/test_zookeeper_manual_teardown_rescale*"

passed locally

 [ OK ] /regression/e2e.test_keeper/test_zookeeper_manual_teardown_rescale. Check ZK+Manual TEARDOWN scale-up ∕ scale-down cases (26m 16s)

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[alex-zaitsev]

Failed basic tests:
✘ [ Fail ] /regression/e2e.test_operator/test_010010. Test zookeeper initialization (3s 146ms)

    File "/home/runner/work/clickhouse-operator/clickhouse-operator/tests/e2e/test_operator.py", line 620, in test_010010
      util.require_keeper(keeper_type=self.context.keeper_type)
    File "/home/runner/work/clickhouse-operator/clickhouse-operator/tests/e2e/util.py", line 115, in require_keeper
      docs_count == expected_docs[keeper_type]
  AssertionError: invalid zookeeper manifest, expected 6, actual 4 documents in ../../deploy/zookeeper/zookeeper-manually/quick-start-persistent-volume/zookeeper-1-node-1GB-for-tests-only.yaml file

failed tests

[Slach]

@alex-zaitsev but test was passed

[Slach]

@alex-zaitsev shall be fixed in e57c370

[alex-zaitsev]

continue-on-error is true for reason. There is a logic to detect failed tests, but for some reason it does not always work. I will fix manually.