fix(xmldocs): over-greedy regex for Markdown links

[avodovnik]

Turns out my regex was over-greedy, and it matched:

Find more information at
[Resource Timing API](https://developer.mozilla.org/en-US/docs/Web/API/PerformanceResourceTiming).

as

[Resource Timing API](https://developer.mozilla.org/en-US/docs/Web/API/PerformanceResourceTiming)
--
Group 1 |  Resource Timing API
Group 2 |  https://developer.mozilla.org/en-US/docs/Web/API/PerformanceResourceTiming)