fix only openyurt crd conversion should be handled for upgrading cert

[rambohe-ch]

What type of PR is this?

Uncomment only one /kind <> line, hit enter to put that in a new line, and remove leading whitespace from that line: /kind bug /kind documentation /kind enhancement /kind good-first-issue /kind feature /kind question /kind design /sig ai /sig iot /sig network /sig storage

/kind bug

What this PR does / why we need it:

yurt-manager component only handle CRD resource of OpenYurt project, because certificates of other components will be effected.

Which issue(s) this PR fixes:

Fixes #

Special notes for your reviewer:

Does this PR introduce a user-facing change?

other Note

[sonarcloud[bot]]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
No data about Coverage
0.1% Duplication on New Code

See analysis details on SonarCloud

[codecov[bot]]

Codecov Report

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

Project coverage is 54.71%. Comparing base (c137221) to head (10313f7).

Additional details and impacted files

```diff @@ Coverage Diff @@ ## master #2013 +/- ## ======================================= Coverage 54.71% 54.71% ======================================= Files 177 177 Lines 17271 17271 ======================================= Hits 9450 9450 Misses 6849 6849 Partials 972 972 ``` | [Flag](https://app.codecov.io/gh/openyurtio/openyurt/pull/2013/flags?src=pr&el=flags&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=openyurtio) | Coverage Δ | | |---|---|---| | [unittests](https://app.codecov.io/gh/openyurtio/openyurt/pull/2013/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=openyurtio) | `54.71% <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=openyurtio#carryforward-flags-in-the-pull-request-comment) to find out more.

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[Congrool]

/lgtm /approve

[rambohe-ch]

/backport release-v1.4

[github-actions[bot]]

Successfully created backport PR for release-v1.4:

• 2014