Fix: Updated k8s version and GitHub action workflow version

[vishal210893]

Description of your changes

Updated the k8s version and the GitHub action workflow version

I have:

• Read and followed KubeVela's contribution process.
• Related Docs updated properly. In a new feature or configuration option, an update to the documentation is necessary.
• Run make reviewable to ensure this PR is ready for review.
• Added backport release-x.y labels to auto-backport this PR if necessary.

---

Summary by cubic

Upgraded Kubernetes dependencies to v1.31.1 and updated GitHub Actions workflows to use the latest action versions.

• Dependencies

  • Bumped k8s-related Go modules and other dependencies to latest versions.
  • Updated workflow tools (e.g., setup-go, checkout, codecov) to latest major versions.

• Refactors

  • Changed admission decoder type from pointer to value in webhook handlers.

[codecov]

Codecov Report

Attention: Patch coverage is 83.87097% with 5 lines in your changes missing coverage. Please review.

Project coverage is 67.41%. Comparing base (d7db9c4) to head (aad3834).
Report is 2 commits behind head on main.

Files with missing lines	Patch %	Lines
pkg/executor/workflow.go	80.00%	4 Missing and 1 partial ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #212      +/-   ##
==========================================
+ Coverage   62.49%   67.41%   +4.92%     
==========================================
  Files          62       62              
  Lines        4415     5939    +1524     
==========================================
+ Hits         2759     4004    +1245     
- Misses       1324     1584     +260     
- Partials      332      351      +19     

Flag	Coverage Δ
e2etests	20.32% <31.03%> (?)
unit-test	61.59% <83.87%> (-0.90%)	⬇️

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[cubic-dev-ai]

cubic found 3 issues across 9 files. Review them in cubic.dev

_{React with 👍 or 👎 to teach cubic. Tag @cubic-dev-ai to give specific feedback.}

[cubic-dev-ai]

cubic found 10 issues across 11 files. Review them in cubic.dev

_{React with 👍 or 👎 to teach cubic. Tag @cubic-dev-ai to give specific feedback.}