feat: add rate limit to wiki services (#553)

* feat: add rate limit to wiki services

* Update pillar/base/haproxy.sls

Author: JacobCoffee

pillar/base/haproxy.sls

@@ -84,6 +84,7 @@ haproxy:
         - wiki.jython.org
       verify_host: moin.psf.io
       check: "HEAD /moin/HelpContents HTTP/1.1\\r\\nHost:\\ wiki.python.org"
+      rate_limit: {{ config.get('rate_limit', 50) }}
 
     svn:
       domains: