FS-8560 [mod_http_cache] add new parameter, connect-timeout

This is the maximum time to wait, in seconds, for the HTTP GET or PUT to connect.
If this value is not set or is set to 0, the default setting of 300 seconds is used.

src/mod/applications/mod_http_cache/conf/autoload_configs/http_cache.conf.xml

@@ -8,6 +8,8 @@
     <param name="ssl-cacert" value="$${base_dir}/conf/cacert.pem"/>
     <param name="ssl-verifyhost" value="true"/>
     <param name="ssl-verifypeer" value="true"/>
+    <!-- default is 300 seconds, override here -->
+    <!--param name="connect-timeout" value="300"/>
   </settings>
 
   <profiles>