Replace http with https for doc links

Change-Id: Ib3234a6194b1595a7fa8f9d0c69d44dc1f399f4c
diff --git a/setup.cfg b/setup.cfg
index ef00627..8b6a100 100644
--- a/setup.cfg
+++ b/setup.cfg
@@ -5,7 +5,7 @@
     README.rst
 author = OpenStack
 author-email = openstack-dev@lists.openstack.org
-home-page = http://www.openstack.org/
+home-page = https://www.openstack.org/
 classifier =
     Environment :: OpenStack
     Intended Audience :: Information Technology
@@ -48,4 +48,4 @@
 
 [entry_points]
 tempest.test_plugins =
-    manila_tests = manila_tempest_tests.plugin:ManilaTempestPlugin
\ No newline at end of file
+    manila_tests = manila_tempest_tests.plugin:ManilaTempestPlugin