Use sentry-cocoa 3.1.2

HazAT · HazAT · commit becd32959bb8 · 2017-06-27T16:20:04.000+02:00
diff --git a/ios/Sentry b/ios/Sentry
@@ -1 +1 @@
-Subproject commit bedabb0a7e4bafc2bbbf88e68fbe458dae387d03
+Subproject commit 36c3d5604eb631186c5e41577a1e44ae81effc46
