fix: apiUrl for polygon networks (#4155)

* Fixed apiUrl for polygon networks

* Added the changeset

* Update nice-clowns-eat.md

---------

Co-authored-by: jxom <[email protected]>

Author: sanketsaagar

.changeset/nice-clowns-eat.md

@@ -0,0 +1,5 @@
+---
+"viem": patch
+---
+
+Fixed Polygon Amoy and Mainnet explorer API URLs.

src/chains/definitions/polygon.ts

@@ -14,7 +14,7 @@ export const polygon = /*#__PURE__*/ defineChain({
     default: {
       name: 'PolygonScan',
       url: 'https://polygonscan.com',
-      apiUrl: 'https://api.polygonscan.com/api',
+      apiUrl: 'https://api.etherscan.io/v2/api',
     },
   },
   contracts: {

src/chains/definitions/polygonAmoy.ts

@@ -13,7 +13,7 @@ export const polygonAmoy = /*#__PURE__*/ defineChain({
     default: {
       name: 'PolygonScan',
       url: 'https://amoy.polygonscan.com',
-      apiUrl: 'https://api-amoy.polygonscan.com/api',
+      apiUrl: 'https://api.etherscan.io/v2/api',
     },
   },
   contracts: {