Release Notes Link from About Window Broken

[cpaulgilman]

Describe the bug

The Open NLR release notes link from the About System Advisor Model (SAM) window is broken.

To Reproduce

Steps to reproduce the behavior:

1. Start SAM.
2. When the Welcome page opens, click About.
3. Release notes point to https://natlabrockies.github.io/SAM/doc/releasenotes.html instead of file:///F:/Repos/samdev/Release%20Notes/SAM/doc/reference/release_notes.html.