fix: update Kubernetes version

[redscholar]

What type of PR is this?

/kind feature

What this PR does / why we need it:

Which issue(s) this PR fixes:

Fixes #

Special notes for reviewers:

Does this PR introduced a user-facing change?

none

Additional documentation, usage docs, etc.:

[kubesphere-prow]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: redscholar

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[sonarqubecloud]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarQube Cloud

[gemini-code-assist]

Code Review

This pull request updates the documentation in both English and Chinese versions of the core README. The changes include extending the supported Kubernetes version ranges for etcd, CoreDNS, and NodeLocalDNS, correcting the source links for NodeLocalDNS to point to the appropriate YAML files, and replacing full-width pipe characters with standard pipes in markdown tables to ensure consistent rendering. I have no further feedback to provide as these changes improve the accuracy and formatting of the documentation.