DEV: Pin version for Discourse <3.5.0.beta1-dev (#141)

Author: davidtaylorhq

.discourse-compatibility

@@ -1,3 +1,4 @@
+< 3.5.0.beta1-dev: 8e68082512df23fbf3bc057317267ad92f133be1
 < 3.4.0.beta3-dev: a84123531a6865f6e76cd210e769e0ac4d729963
 < 3.4.0.beta1-dev: 1294355185bb29e61d381d63b9b4036cc7af9fc9
 < 3.3.0.beta1-dev: da1be75dae1c5218bdc3f7672d804915272c9ee9