Bump Ginkgo to v2.

[blackpiglet]

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Does your change fix a particular issue?

Fixes #7961

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• Accepted the DCO. Commits without the DCO will delay acceptance.
• Created a changelog file or added /kind changelog-not-required as a comment on this pull request.
• Updated the corresponding documentation in site/content/docs/main.

[codecov]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 58.82%. Comparing base (3bd8a7d) to head (7a3b947).
Report is 7 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #8010      +/-   ##
==========================================
- Coverage   58.82%   58.82%   -0.01%     
==========================================
  Files         346      346              
  Lines       28901    28886      -15     
==========================================
- Hits        17002    16993       -9     
+ Misses      10467    10464       -3     
+ Partials     1432     1429       -3     

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[blackpiglet]

The existing case filters are not working after bumping to v2. All cases are executed, so the tests failed with timeout.
Need to fix #7959 first.

[blackpiglet]

The existing case filters are not working after bumping to v2. All cases are executed, so the tests failed with timeout. Need to fix #7959 first.

I found the error was caused by the E2E test makefile not updating the Ginkgo version.
After version update, GitHub action tests passed.