Update links in README

Change the outdated links to the latest links in README

Change-Id: I3c427e8799b443eeca8a17d7cbd3051eb738ed1e
diff --git a/README.rst b/README.rst
index 242f4d5..f8059ae 100644
--- a/README.rst
+++ b/README.rst
@@ -2,7 +2,7 @@
 Team and repository tags
 ========================
 
-.. image:: https://governance.openstack.org/badges/tempest.svg
+.. image:: https://governance.openstack.org/tc/badges/tempest.svg
     :target: https://governance.openstack.org/tc/reference/tags/index.html
 
 .. Change things from this point on