MC-41388: Paypal payflow pro end point is not in the CSP whitelis

Author: svitja

app/code/Magento/Paypal/etc/csp_whitelist.xml

@@ -29,6 +29,12 @@
             <values>
                 <value id="www_paypal" type="host">www.paypal.com</value>
                 <value id="www_sandbox_paypal" type="host">www.sandbox.paypal.com</value>
+                <value id="www_pilot_payflowlink_paypal" type="host">pilot-payflowlink.paypal.com</value>
+            </values>
+        </policy>
+        <policy id="form-action">
+            <values>
+                <value id="www_pilot_payflowlink_paypal" type="host">pilot-payflowlink.paypal.com</value>
             </values>
         </policy>
     </policies>