bump operator version to 1.6.0-alpha.3

[xhebox]

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.

[xhebox]

/test pull-e2e-kind
/test pull-e2e-kind-br
//test pull-e2e-kind-serial
//test pull-e2e-kind-basic
/test pull-e2e-kind-across-kubernetes

[ti-chi-bot]

@xhebox: The label(s) /pull-e2e-kind, /pull-e2e-kind-br, /pull-e2e-kind-serial, /pull-e2e-kind-basic, /pull-e2e-kind-across-kubernetes cannot be applied, because the repository doesn't have them.

In response to this:

/test pull-e2e-kind
/test pull-e2e-kind-br
//test pull-e2e-kind-serial
//test pull-e2e-kind-basic
/test pull-e2e-kind-across-kubernetes

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[ti-chi-bot]

@xhebox: No presubmit jobs available for pingcap/tidb-operator@master

In response to this:

/test pull-e2e-kind
/test pull-e2e-kind-br
//test pull-e2e-kind-serial
//test pull-e2e-kind-basic
/test pull-e2e-kind-across-kubernetes

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[ti-chi-bot]

[APPROVALNOTIFIER] This PR is APPROVED

This pull-request has been approved by: csuzhangxc

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• OWNERS [csuzhangxc]

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[ti-chi-bot]

[LGTM Timeline notifier]

Timeline:

• 2023-07-13 03:29:52.697070115 +0000 UTC m=+561884.467408813: ☑️ agreed by csuzhangxc.

[codecov-commenter]

Codecov Report

Merging #5169 (1f966cd) into master (64adfe6) will increase coverage by 7.05%.
The diff coverage is n/a.

Additional details and impacted files

@@            Coverage Diff             @@
##           master    #5169      +/-   ##
==========================================
+ Coverage   57.98%   65.04%   +7.05%     
==========================================
  Files         248      252       +4     
  Lines       29330    32746    +3416     
==========================================
+ Hits        17008    21300    +4292     
+ Misses      10678     9732     -946     
- Partials     1644     1714      +70     

Flag	Coverage Δ
e2e	46.33% <ø> (?)
unittest	57.98% <ø> (ø)

[xhebox]

/test pull-e2e-kind-serial
/test pull-e2e-kind-across-kubernetes

[ti-chi-bot]

@xhebox: The label(s) /pull-e2e-kind-serial, /pull-e2e-kind-across-kubernetes cannot be applied, because the repository doesn't have them.

In response to this:

/test pull-e2e-kind-serial
/test pull-e2e-kind-across-kubernetes

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]

@xhebox: No presubmit jobs available for pingcap/tidb-operator@master

In response to this:

/test pull-e2e-kind-serial
/test pull-e2e-kind-across-kubernetes

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 kubernetes/test-infra repository.