Using url-detector causes maven projects to bring in TestNG compile dependency

[pgalbraith]

I see that this is fixed in a8dec18 (not in 0.1.17 release on maven central), just creating the issue here to document.

[pgalbraith]

Until this repo is published again, I have this fix included in a separate published build as io.github.pgalbraith:url-detector:0.1.18

https://github.com/pgalbraith/URL-Detector/releases/tag/url-detector-0.1.18