Merge pull request #136 from rebeccaskinner/mercury/sponsorship-level

update Mercury's sponsorship level

Author: myShoggoth

donations/sponsors/mercury.markdown

@@ -2,5 +2,5 @@
 title: Mercury
 logo: /assets/images/sponsors/mercury/mercury.png
 externalUrl: https://mercury.com/
-level: Functor
+level: Applicative
 ---