Update to 3.3.8 · Pull Request !55 · src-openEuler/mailman

升级前后补丁变化：
0001-fix-tests-assertion-error.patch	  无用补丁，删除
mailman-subject-prefix.patch	          重新适配，保留 
mailman-use-either-importlib_resources-or-directly-importlib.patch	重新适配，保留
mailman3-click8.patch	                                3.3.8版本已合入，删除
mailman3-do-not-assume-sapce-in-banner.patch	        3.3.8版本已合入，删除
mailman3-test_as_string_python_bug_27321.patch          3.3.8版本已合入，删除
Remove-old-style-coroutines-and-use-async-def-instead.patch	      3.3.8版本已合入，删除	
Require-authheaders-0.14.0-and-adjust-tests-accordingly.patch	      3.3.8版本已合入，删除	
Support-Python-3.11.patch		       3.3.8版本已合入，删除
support-sqlalchemy-1-4.patch		       3.3.8版本已合入，删除
Verify-recipient-validity-at-RCPT-command-in-LMTP-runner.patch 3.3.8版本已合入，删除

升级后服务启动验证截图：
![输入图片说明](https://foruda.gitee.com/images/1694591487557340370/22bb9123_6557066.png "屏幕截图")
![输入图片说明](https://foruda.gitee.com/images/1694591570276622921/7f865bd0_6557066.png "屏幕截图")

升级后基本命令验证截图：
![输入图片说明](https://foruda.gitee.com/images/1694591647947554973/db8aab4c_6557066.png "屏幕截图")

issue：https://gitee.com/src-openeuler/mailman/issues/I5CZ2K?from=project-issue

src-openEuler/mailman .gitee-modal { width: 500px !important; }

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