SUBMARINE-1414. Upgrade java k8s client to 18(k8s-java-client)/6.7(fabric8)

[cdmikechen]

What is this PR for?

Upgrade java k8s client lib to latest version and fix codes when updating the version

What type of PR is it?

Improvement

Todos

• [x] - Update k8s-client to 18
• [x] - Update fabric to 6.7
• [x] - Update java operator sdk to 4.5
• [x] - Fix unit test error

What is the Jira issue?

https://issues.apache.org/jira/browse/SUBMARINE-1414

How should this be tested?

CI test

Screenshots (if appropriate)

Questions:

• Do the license files need updating? No
• Are there breaking changes for older versions? No
• Does this need new documentation? No

[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Comparison is base (921e20d) 62.65% compared to head (53c108d) 62.65%.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## master #1115 +/- ## ======================================= Coverage 62.65% 62.65% ======================================= Files 130 130 Lines 6320 6320 ======================================= Hits 3960 3960 Misses 2360 2360 ``` | [Flag](https://app.codecov.io/gh/apache/submarine/pull/1115/flags?src=pr&el=flags&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=apache) | Coverage Δ | | |---|---|---| | [python-integration](https://app.codecov.io/gh/apache/submarine/pull/1115/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=apache) | `53.93% <ø> (ø)` | | | [python-unit](https://app.codecov.io/gh/apache/submarine/pull/1115/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=apache) | `43.71% <ø> (ø)` | | Flags with carried forward coverage won't be shown. [Click here](https://docs.codecov.io/docs/carryforward-flags?utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=apache#carryforward-flags-in-the-pull-request-comment) to find out more.

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