Grant all admins admin access to jenkins

Change-Id: I498ede50c327912e6f64c05a8bcf4dcee9c80246
diff --git a/jenkins/client/security/matrix.yml b/jenkins/client/security/matrix.yml
index 4c3c8a9..b08aefd 100644
--- a/jenkins/client/security/matrix.yml
+++ b/jenkins/client/security/matrix.yml
@@ -3,6 +3,7 @@
     # Full admin access
     jenkins_security_matrix_admins:
       - ${_param:jenkins_client_user}
+      - admins
     # Read only access
     jenkins_security_matrix_read: []
     # Read + permissions to build jobs