Merge pull request #2640 from pyth-network/pf_council_3_new_signers

New PF Council signers: Anton and Mario

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

@@ -22,5 +22,7 @@
   "5X8etNCroWSpcWbVAqNpyyqqahvBVQPhbMdzYdB7YWWu": "Matt",
   "4bvLh1EoJcoN1eCm1JF2p4fjisWrHARdCcDHxrV7VWFG": "Nicolas",
   "D3iheBiy1EC3zde86bhU5X1Wmqj6XhJqnRAQ7W2emPr": "John",
+  "23wnKNMEaKxvPmzWkX71SxdGtnh8Rhq1nCv1EtCYu9Hj": "Mario",
+  "GQFhjSDRPb5uqErdXHE6qNEtfJNWQzufVCkWUJ7pBY8e": "Anton",
   "ACzP6RC98vcBk9oTeAwcH1o5HJvtBzU59b5nqdwc7Cxy": "Price Feed Ops"
 }