feat(xc-admin): add price feed council signers (#1413)

* add price feed council signers

* update signers.json

* update signers.json

* update signers.json

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

@@ -1,5 +1,5 @@
 {
-  "opsLibxVY7Vz5eYMmSfX8cLFCFVYTtH6fr6MiifMpA7": "Ops",
+  "opsLibxVY7Vz5eYMmSfX8cLFCFVYTtH6fr6MiifMpA7": "Pythian Ops",
   "9sfogFjG8CJKJGWvNDB7NgPusALti3hWKkHGZhKmmxD7": "Marc",
   "8TdeB3rUECTGg7hSH6TDS7qVAcC1QMiE5zRazTAuxLZF": "Afif",
   "E5KR7yfb9UyVB6ZhmhQki1rM1eBcxHvyGKFZakAC5uc": "Guillermo",
@@ -7,5 +7,13 @@
   "3ouXHhNH6QgyxDRLmjgCddbTqYBkPSufLiLgTp2BVy2p": "Jayant",
   "38XhwqCgQGdeNeXyHQ94Jrdsoup71G6ioiYuvimXwH3z": "Nope",
   "9uDaJ8nG4yhxdhLnaNqARa1d3DjaCT2X7L7LtDR2NQUH": "Robinson",
-  "CTojzJc5FRs6vjD7Z2g2gWPvQ3vEsHw4ykw5LYmU8aPC": "Shu"
+  "CTojzJc5FRs6vjD7Z2g2gWPvQ3vEsHw4ykw5LYmU8aPC": "Shu",
+  "2X9BcSSnAXyizMA6f3AwSt51SQXSU5drWwUadHqsNCeP": "Giulio",
+  "8v4z4pyhQ1NXZRJ3LJbkLtQirmZdxTtfqkb3vzNDLztg": "Lawrence",
+  "HTq8PB7piUrHuUC9xMSEphFRL2BAeyBLxWirxzKqzo6g": "Nicholas",
+  "3s6T3fotjMkkawXJqA5ee3QxM5589JEe4tiQtt2fsu8W": "Antoine",
+  "Eh32UTCozwrmyhjEazGMuuWG1e2bXG2kNYmhzHRNp5Sa": "Harnaik",
+  "HiHaM78P75gz4UBosf3bWWAuP8HoRCin4bL6qiK6dvfV": "Robert",
+  "5X8etNCroWSpcWbVAqNpyyqqahvBVQPhbMdzYdB7YWWu": "Matt",
+  "ACzP6RC98vcBk9oTeAwcH1o5HJvtBzU59b5nqdwc7Cxy": "Price Feed Ops"
 }