[Bug]: error building site with latest hugo

### What happened? on version 0.161.1 of hugo i get this error: ``` ERROR error building site: render: [en v1.0.0 guest] failed to render pages: render of "/tags" failed: "C:\Users\sdev\Documents\GitHub\sjoerdev.github.io\themes\PaperMod\layouts\_default\rss.xml:10:11": execute of template failed: template: rss.xml:10:11: executing "rss.xml" at <site>: can't evaluate field Author in type interface {} ``` ### Steps to reproduce Run hugo v.0.161.1 with the latest PaperMod. ### Hugo Version Hugo >= 0.146.0 (Recommended - Minimum version required for PaperMod) ### PaperMod Version latest ### What kind of devices are you seeing the problem on? Desktop ### What browsers are you seeing the problem on? Firefox ### Browser Version latest ### Relevant log output ```shell ERROR error building site: render: [en v1.0.0 guest] failed to render pages: render of "/tags" failed: "C:\Users\sdev\Documents\GitHub\sjoerdev.github.io\themes\PaperMod\layouts\_default\rss.xml:10:11": execute of template failed: template: rss.xml:10:11: executing "rss.xml" at <site>: can't evaluate field Author in type interface {} ``` ### Repository/Source Code link where this issue can be reproduced https://github.com/sjoerdev/sjoerdev.github.io ### Code of Conduct - [x] I agree to follow this project's Code of Conduct