events: fix 404 link to Scala Love

Author: SethTisue

_events/2020-04-18-scala-love.md

@@ -6,5 +6,5 @@ location: Virtual
 description: "The most lovely conference"
 start: 18 April 2020
 end: 18 April 2020
-link-out: https://scala.love/conf/
+link-out: https://web.archive.org/web/20230407085333/https://scala.love/conf/
 ---