Fix release link in previous post (ahem)

jplloyd · jplloyd · commit a5a84153dda1 · 2019-12-20T16:02:41.000+01:00
diff --git a/_posts/2019-12-20-mypaint-2.0-beta-0.md b/_posts/2019-12-20-mypaint-2.0-beta-0.md
@@ -11,4 +11,4 @@ For better or worse (probably better), we have now officially moved into beta!
 Read the [**release notes**][rel], download the version for your system
 and go find some bugs (preferably fixable ones).
 
-[rel]: https://github.com/mypaint/mypaint/releases/tag/v2.0.0-alpha.13
+[rel]: https://github.com/mypaint/mypaint/releases/tag/v2.0.0-beta.0
