build: simply the release version composing step

[wuhuizuo]

What problem does this PR solve?

Issue Number: close #11345

What is changed and how it works?

keep same with tidb and pd components.

master branche:

• v8.3.0-master-dirty => v8.3.0-alpha-1-ga2e621937-dirty
• v8.3.0-master => v8.3.0-alpha-1-ga2e621937

release branches:

• v8.2.0-alpha-90-ga2e621937 // first version of the branch will not be changed.
• v8.1.0-90-ga2e621937 // new LTS patch versions also will not be changed.
• v8.2.0 // when it taged in RC and GA building.

Check List

Tests

• Unit test
• Integration test
• Manual test (add detailed scripts or steps below)
• No code

Questions

Will it cause performance regression or break compatibility?

Do you need to update user documentation, design documentation or monitoring documentation?

Release note

None

[ti-chi-bot[bot]]

[APPROVALNOTIFIER] This PR is NOT APPROVED

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The full list of commands accepted by this bot can be found here.

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[wuhuizuo]

/cc @CharlesCheung96 @flowbehappy @Benjamin2037

/hold need detail talk.

[wuhuizuo]

/run-check-issue-triage-complete

[codecov[bot]]

Codecov Report

All modified and coverable lines are covered by tests :white_check_mark:

Project coverage is 57.6347%. Comparing base (a2e6219) to head (19a8dfd).

Additional details and impacted files

| [Components](https://app.codecov.io/gh/pingcap/tiflow/pull/11344/components?src=pr&el=components&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=pingcap) | Coverage Δ | | |---|---|---| | [cdc](https://app.codecov.io/gh/pingcap/tiflow/pull/11344/components?src=pr&el=component&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=pingcap) | `61.4370% <ø> (+0.0080%)` | :arrow_up: | | [dm](https://app.codecov.io/gh/pingcap/tiflow/pull/11344/components?src=pr&el=component&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=pingcap) | `51.2111% <ø> (-0.0162%)` | :arrow_down: | | [engine](https://app.codecov.io/gh/pingcap/tiflow/pull/11344/components?src=pr&el=component&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=pingcap) | `63.3950% <ø> (+0.0211%)` | :arrow_up: | | [Flag](https://app.codecov.io/gh/pingcap/tiflow/pull/11344/flags?src=pr&el=flags&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=pingcap) | Coverage Δ | | |---|---|---| | [unit](https://app.codecov.io/gh/pingcap/tiflow/pull/11344/flags?src=pr&el=flag&utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=pingcap) | `57.6347% <ø> (ø)` | | Flags with carried forward coverage won't be shown. [Click here](https://docs.codecov.io/docs/carryforward-flags?utm_medium=referral&utm_source=github&utm_content=comment&utm_campaign=pr+comments&utm_term=pingcap#carryforward-flags-in-the-pull-request-comment) to find out more. ```diff @@ Coverage Diff @@ ## master #11344 +/- ## =========================================== Coverage 57.6347% 57.6347% =========================================== Files 849 849 Lines 126160 126160 =========================================== Hits 72712 72712 + Misses 48048 48047 -1 - Partials 5400 5401 +1 ```

[wuhuizuo]

@wuhuizuo: The following test failed, say /retest to rerun all failed tests or /retest-required to rerun all mandatory failed tests:

Test name Commit Details Required Rerun command pull-cdc-integration-mysql-test 19a8dfd link true /test cdc-integration-mysql-test Full PR test history. Your PR dashboard.

Oh, flaky tests!

[wuhuizuo]

/retest