feat: don't initialize ethersProvider in module scope

src/state/slices/opportunitiesSlice/resolvers/uniV2/index.ts

@@ -35,10 +35,9 @@ import type {
 } from '../types'
 import { calculateAPRFromToken0 } from './utils'
 
-const ethersProvider = getEthersProvider()
-
 let _blockNumber: number | null = null
 const getBlockNumber = async () => {
+  const ethersProvider = getEthersProvider()
   if (_blockNumber) return _blockNumber
   const blockNumber = await ethersProvider.getBlockNumber()
   _blockNumber = blockNumber