Fix Celo maxFeePerGas calculation for fee currency transactions.

[shazarre]

Previously we were not applying multiply function to the base fee returned from the node. This PR fixes that.

[github-actions]

size-limit report 📦

Path	Size	Loading time (3g)	Running time (snapdragon)	Total time
import * from 'viem' (esm)	61 KB (0%)	1.3 s (0%)	7.9 s (-5.42% 🔽)	9.1 s
const viem = require('viem') (cjs)	71.19 KB (0%)	1.5 s (0%)	12.7 s (+203.06% 🔺)	14.2 s
import { createClient, http } from 'viem'	6.26 KB (0%)	126 ms (0%)	941 ms (+57.36% 🔺)	1.1 s
import * from 'viem/account-abstraction'	43.9 KB (0%)	879 ms (0%)	7.4 s (-8.72% 🔽)	8.3 s
import { toCoinbaseSmartAccount } from 'viem/account-abstraction'	34.07 KB (0%)	682 ms (0%)	2.6 s (-50.01% 🔽)	3.3 s
import * from 'viem/accounts'	80.9 KB (0%)	1.7 s (0%)	5.4 s (+39.78% 🔺)	7 s
import { privateKeyToAccount } from 'viem/accounts'	19.41 KB (0%)	389 ms (0%)	1.3 s (-45.73% 🔽)	1.7 s
import { mnemonicToAccount } from 'viem/accounts'	25.69 KB (0%)	514 ms (0%)	2.6 s (-14.82% 🔽)	3.1 s
import * from 'viem/actions'	46.05 KB (0%)	922 ms (0%)	7.2 s (-17.32% 🔽)	8.1 s
import { getBlockNumber } from 'viem/actions'	318 B (0%)	10 ms (0%)	38 ms (-68.25% 🔽)	48 ms
import * from 'viem/chains'	38.41 KB (+0.03% 🔺)	769 ms (+0.03% 🔺)	6.2 s (-17.74% 🔽)	6.9 s
import { mainnet } from 'viem/chains'	324 B (0%)	10 ms (0%)	144 ms (+49.39% 🔺)	154 ms
import * from 'viem/chains/utils'	1.08 KB (0%)	22 ms (0%)	165 ms (-86.03% 🔽)	187 ms
import * from 'viem/ens'	45.49 KB (0%)	910 ms (0%)	7 s (+13.81% 🔺)	8 s
import { getEnsAvatar } from 'viem/ens'	22.18 KB (0%)	444 ms (0%)	4 s (-5.43% 🔽)	4.4 s
import * from 'viem/siwe'	30.26 KB (0%)	606 ms (0%)	2.7 s (-41.51% 🔽)	3.3 s
import { verifySiweMessage } from 'viem/siwe'	29.19 KB (-0.17% 🔽)	584 ms (-0.17% 🔽)	7 s (+68.58% 🔺)	7.5 s

[aaronmgdr]

open against wevm/main

[nicolasbrugneaux]

[aaronmgdr]

celo-org/developer-tooling#351