refactor(relay): extract shared relay policy presets across endpoints

pages/api/endpoint/getpersonalaccount_api.js

@@ -19,6 +19,7 @@
 
 import { respondError } from "../middleware/apiResponse";
 import { relayGet } from "../middleware/relayForwarding";
+import { RELAY_POLICY_LOOKUP } from "../middleware/relayPolicyPresets";
 
 export default async function ApiProxy(req, res) {
     const contactid = req.query.contactid;
@@ -36,13 +37,7 @@ export default async function ApiProxy(req, res) {
         contactid +
         ")?$select=firstname, lastname, emailaddress1, telephone1, company, address1_line1,address1_line2,address1_city, address1_county,address1_postalcode,pinswg_typeofinvolvement,pinswg_contact_associatedlpa,pinswg_preferredlanguage&$count=true";
 
-    const relayPolicy = {
-        method: "GET",
-        timeoutMs: 6000,
-        maxRetries: 1,
-        retryBaseDelayMs: 100,
-        retryMaxDelayMs: 500
-    };
+    const relayPolicy = RELAY_POLICY_LOOKUP;
 
     return relayGet({
         queryUrl,