Update metadata.yml with correct URL

Change-Id: I3263ad61070f1f32f2b01e84cebca44170e1abc0
diff --git a/metadata.yml b/metadata.yml
index 7d4bb7f..8214618 100644
--- a/metadata.yml
+++ b/metadata.yml
@@ -1,3 +1,3 @@
 name: "sensu"
 version: "0.2"
-source: "https://github.com/tcpcloud/salt-formula-sensu"
+source: "https://github.com/salt-formulas/salt-formula-sensu"