Fix coredns security context and CSR version

[codecov-commenter]

Codecov Report

Base: 75.61% // Head: 75.60% // Decreases project coverage by -0.01% :warning:

Coverage data is based on head (4a9ea25) compared to base (74b034a). Patch coverage: 100.00% of modified lines in pull request are covered.

Additional details and impacted files

```diff @@ Coverage Diff @@ ## main #139 +/- ## ========================================== - Coverage 75.61% 75.60% -0.02% ========================================== Files 76 76 Lines 6208 6205 -3 ========================================== - Hits 4694 4691 -3 Misses 1259 1259 Partials 255 255 ``` | [Impacted Files](https://codecov.io/gh/megaease/easemesh/pull/139?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=megaease) | Coverage Δ | | |---|---|---| | [...tl/cmd/client/command/meshinstall/base/k8sutils.go](https://codecov.io/gh/megaease/easemesh/pull/139/diff?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=megaease#diff-ZW1jdGwvY21kL2NsaWVudC9jb21tYW5kL21lc2hpbnN0YWxsL2Jhc2UvazhzdXRpbHMuZ28=) | `64.46% <100.00%> (ø)` | | | [...ent/command/meshinstall/coredns/deployment\_spec.go](https://codecov.io/gh/megaease/easemesh/pull/139/diff?src=pr&el=tree&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=megaease#diff-ZW1jdGwvY21kL2NsaWVudC9jb21tYW5kL21lc2hpbnN0YWxsL2NvcmVkbnMvZGVwbG95bWVudF9zcGVjLmdv) | `92.53% <100.00%> (-0.11%)` | :arrow_down: | Help us with your feedback. Take ten seconds to tell us [how you rate us](https://about.codecov.io/nps?utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=megaease). Have a feature suggestion? [Share it here.](https://app.codecov.io/gh/feedback/?utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=megaease)

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