Remove excess commas from mysql-schema.sql

[mroldx]

Please do not create a Pull Request without creating an issue first.


What is the purpose of the change


Remove excess commas from mysql-schema.sql


Brief changelog


publish_type varchar(50) DEFAULT 'formal' COMMENT 'publish type gray or formal',,
-----》
publish_type varchar(50) DEFAULT 'formal' COMMENT 'publish type gray or formal',


Verifying this change



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[github-actions]

Thanks for your this PR. 🙏
Please check again for your PR changes whether contains any usage/api/configuration change such as Add new API , Add new configuration, Change default value of configuration.
If so, please add or update documents(markdown type) in docs/next/ for repository nacos-group/nacos-group.github.io

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感谢您提交的PR。 🙏
请再次查看您的PR内容，确认是否包含任何使用方式/API/配置参数的变更，如：新增API、新增配置参数、修改默认配置等操作。
如果是，请确保在提交之前，在仓库nacos-group/nacos-group.github.io中的docs/next/目录下添加或更新文档（markdown格式）。

[codecov-commenter]

Codecov Report

All modified and coverable lines are covered by tests ✅

Project coverage is 72.16%. Comparing base (aeaaded) to head (e3069dc).

Additional details and impacted files

@@              Coverage Diff              @@
##             develop   #12860      +/-   ##
=============================================
- Coverage      72.17%   72.16%   -0.02%     
  Complexity      9792     9792              
=============================================
  Files           1283     1283              
  Lines          41387    41387              
  Branches        4374     4374              
=============================================
- Hits           29872    29866       -6     
- Misses          9408     9416       +8     
+ Partials        2107     2105       -2     

see 3 files with indirect coverage changes

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[wuyfee]

$\color{red}{FAILURE}$
DETAILS
✅ - docker: success
❌ - deploy (standalone & cluster & standalone_auth): failure
❌ - e2e-java-test (standalone & cluster & standalone_auth): skipped
❌ - e2e-go-test (standalone & cluster): skipped
❌ - e2e-cpp-test (standalone & cluster): skipped
❌ - e2e-csharp-test (standalone & cluster): skipped
❌ - e2e-nodejs-test (standalone & cluster): skipped
❌ - e2e-python-test (standalone & cluster): skipped
✅ - clean (standalone & cluster & standalone_auth): success

[KomachiSion]

There are some e2e error in this pr and PR #12866 has fixed this problem.