Update csp_whitelist.xml

Author: magefan

etc/csp_whitelist.xml

@@ -15,6 +15,7 @@
                 <value id="mg-google-uk" type="host">*.google.co.uk</value>
                 <value id="mg-gstatic" type="host">*.gstatic.com</value>
                 <value id="mg-googletagmanager-com" type="host">*.googletagmanager.com</value>
+                <value id="mg-doubleclick-net" type="host">*.doubleclick.net</value>
             </values>
         </policy>
         <policy id="style-src">
@@ -33,6 +34,7 @@
                 <value id="mg-google" type="host">*.google.com</value>
                 <value id="mg-google-ua" type="host">*.google.com.ua</value>
                 <value id="mg-google-uk" type="host">*.google.co.uk</value>
+                <value id="mg-doubleclick-net" type="host">*.doubleclick.net</value>
             </values>
         </policy>
         <policy id="frame-src">