Add a longer timeout to the pip install phase

We are possibly hitting timeouts pip installing larger dependencies
that require c compilations as part of the install. This commit bumps
the timeout to fix this.

Change-Id: Ie172b2573df85a6b0b47ac06bef461aab0b627b5

manifests/api.pp

@@ -38,6 +38,7 @@ class openstack_health::api(
     require     => Python::Virtualenv[$virtualenv_dir],
     subscribe   => Vcsrepo[$source_dir],
     refreshonly => true,
+    timeout     => 1800,
   }
 
   exec { 'package-application':