DEV: Pin version for Discourse <3.5.0.beta1-dev (#76)

Author: davidtaylorhq

.discourse-compatibility

@@ -1,3 +1,4 @@
+< 3.5.0.beta1-dev: 2cab4e99e04cd6a9067abb1115b1de29a968f1f7
 < 3.4.0.beta2-dev: ba7630cd78bf2a50981cafc0a613df9439cb5968
 < 3.4.0.beta1-dev: f7e141653af4145e086e5917067ce17ab0ce2feb
 < 3.3.0.beta1-dev: 6ba0e9d0a46938c7d795ccb56a55d69882ae3518