feat: mysql group replication

[xuriwuyun]

No description provided.

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 0.00%. Comparing base (2b5ae1c) to head (6edb072).
Report is 3 commits behind head on main.

Additional details and impacted files

@@          Coverage Diff          @@
##            main   #1409   +/-   ##
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  Coverage   0.00%   0.00%           
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  Files         69      69           
  Lines       6900    6900           
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  Misses      6900    6900           

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[shanshanying]

please add an example in 'examples/mysql' to demo how to create an MGR cluster.

[xuriwuyun]

/cherry-pick release-1.0-beta

[apecloud-bot]

🤖 says: Error cherry-picking.

Auto-merging README.md
CONFLICT (content): Merge conflict in README.md
Auto-merging addons-cluster/mysql/values.yaml
Auto-merging addons/mysql/templates/_helpers.tpl
error: could not apply c83b5fd... feat: mysql group replication (#1409)
hint: After resolving the conflicts, mark them with
hint: "git add/rm ", then run
hint: "git cherry-pick --continue".
hint: You can instead skip this commit with "git cherry-pick --skip".
hint: To abort and get back to the state before "git cherry-pick",
hint: run "git cherry-pick --abort".
hint: Disable this message with "git config advice.mergeConflict false"

[apecloud-bot]

🤖 says: ‼️ cherry pick action failed.
See: https://github.com/apecloud/kubeblocks-addons/actions/runs/12900133387