check-issue-triage-complete support retest

[purelind]

For fixing bug issues and associated pull requests, we will add a check item called "check-issue-triage-complete" to ensure that bug issues are triaged before merging the pull request.
By default, the plugin will trigger this check at the appropriate time. If it fails to trigger successfully, Contributors can manually trigger it using the /run-check-issue-triage-complete or /check-issue-triage-complete command.

Provide a suggestion to support triggering through /retest and /test xxx methods, consistent with other trigger commands, reducing learning and memory costs.

[wuhuizuo]

I can be solve after change the line:

• https://github.com/ti-community-infra/tichi/blob/2c387de818105f10a2167c9f2f6a3963b10a7c7a/internal/pkg/externalplugins/issuetriage/issuetriage.go#L52C58-L52C85