link update

Author: finglis

_slides/v0-6-0.md

@@ -1,6 +1,6 @@
 ---
 slide-title: v0.6.0 has arrived!
-slide-content: <br> Learn about the many new features and improvements in the <a href="TODO"target=blank>detailed release notes</a>.
+slide-content: <br> Learn about the many new features and improvements in the <a href="https://forum.image.sc/t/qupath-v0-6-0-now-available/114104"target=blank>detailed release notes</a>.
 slide-img: /assets/images/slideshow/qupath-jobs.png
 slide-img-class: inverse
 slide-text-class: inverse-text