Update metadata.yml with correct URL

Change-Id: I5f93c2943ac44e7b5f6b97f3f720041884ed5db9
diff --git a/metadata.yml b/metadata.yml
index 66e04e4..a335552 100644
--- a/metadata.yml
+++ b/metadata.yml
@@ -3,4 +3,4 @@
 source: "https://github.com/Mirantis/salt-formula-shibboleth"
 dependencies:
 - name: apache
-  source: "https://github.com/tcpcloud/salt-formula-apache.git"
+  source: "https://github.com/salt-formulas/salt-formula-apache.git"