Update signers.json

add pf peeps

governance/xc_admin/packages/xc_admin_frontend/mappings/signers.json

@@ -17,5 +17,7 @@
   "Eh32UTCozwrmyhjEazGMuuWG1e2bXG2kNYmhzHRNp5Sa": "Harnaik",
   "HiHaM78P75gz4UBosf3bWWAuP8HoRCin4bL6qiK6dvfV": "Robert",
   "5X8etNCroWSpcWbVAqNpyyqqahvBVQPhbMdzYdB7YWWu": "Matt",
+  "4bvLh1EoJcoN1eCm1JF2p4fjisWrHARdCcDHxrV7VWFG": "Nicolas",
+  "D3iheBiy1EC3zde86bhU5X1Wmqj6XhJqnRAQ7W2emPr": "John",
   "ACzP6RC98vcBk9oTeAwcH1o5HJvtBzU59b5nqdwc7Cxy": "Price Feed Ops"
 }