feat: add Duration as SIMPLE_TYPE and Convert

[conghuhu]

What is the purpose of the change

I found Dubbo can not convert String to Duration.class in config from #12453

So I resloved it.

Brief changelog

Verifying this change

Checklist

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[conghuhu]

@AlbumenJ @chickenlj @songxiaosheng PTAL

[sonarqubecloud]

Kudos, SonarCloud Quality Gate passed!   

0 Bugs
0 Vulnerabilities
0 Security Hotspots
1 Code Smell

69.4% Coverage
0.0% Duplication