ci: use kubetest2 hosted in pingcap/tidb-operator

[csuzhangxc]

What problem does this PR solve?

What is changed and how does it work?

Code changes

• Has Go code change
• Has CI related scripts change

Tests

• Unit test
• E2E test
• Manual test
• No code

Side effects

• Breaking backward compatibility
• Other side effects:

Related changes

• Need to cherry-pick to the release branch
• Need to update the documentation

Release Notes

Please refer to Release Notes Language Style Guide before writing the release note.

[ti-chi-bot]

[APPROVALNOTIFIER] This PR is NOT APPROVED

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[csuzhangxc]

/run-pull-e2e-kind-basic

[csuzhangxc]

/run-pull-e2e-kind-basic

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 21.21%. Comparing base (9ef26f8) to head (100c906).
Report is 27 commits behind head on master.

❗ There is a different number of reports uploaded between BASE (9ef26f8) and HEAD (100c906). Click for more details.

HEAD has 1 upload less than BASE

Flag	BASE (9ef26f8)	HEAD (100c906)
unittest	1	0

Additional details and impacted files

@@             Coverage Diff             @@
##           master    #5763       +/-   ##
===========================================
- Coverage   61.47%   21.21%   -40.27%     
===========================================
  Files         235      219       -16     
  Lines       30653    30730       +77     
===========================================
- Hits        18843     6518    -12325     
- Misses       9920    23224    +13304     
+ Partials     1890      988      -902     

Flag	Coverage Δ
e2e	21.21% <ø> (?)
unittest	?

[csuzhangxc]

/cherry-pick release-1.6

[csuzhangxc]

/cherry-pick release-1.5

[ti-chi-bot]

@csuzhangxc: new pull request created to branch release-1.6: #5767.

In response to this:

/cherry-pick release-1.6

Instructions for interacting with me using PR comments are available here. If you have questions or suggestions related to my behavior, please file an issue against the ti-community-infra/tichi repository.

[ti-chi-bot]

@csuzhangxc: new pull request created to branch release-1.5: #5768.

In response to this:

/cherry-pick release-1.5

Instructions for interacting with me using PR comments are available here. If you have questions or suggestions related to my behavior, please file an issue against the ti-community-infra/tichi repository.