feat: add blockTime property to Scroll chain definition (#4033)

* Add blockTime property to Scroll chain definition

according to https://docs.scroll.io/en/technology/chain/blocks/#block-time

* Create happy-wombats-trade.md

---------

Co-authored-by: jxom <7336481+jxom@users.noreply.github.com>

Author: boredland

.changeset/happy-wombats-trade.md

@@ -0,0 +1,5 @@
+---
+"viem": patch
+---
+
+Added `blockTime` property to Scroll chain.

src/chains/definitions/scroll.ts

@@ -3,6 +3,7 @@ import { defineChain } from '../../utils/chain/defineChain.js'
 export const scroll = /*#__PURE__*/ defineChain({
   id: 534_352,
   name: 'Scroll',
+  blockTime: 3000,
   nativeCurrency: { name: 'Ether', symbol: 'ETH', decimals: 18 },
   rpcUrls: {
     default: {