Update dependency hardhat-gas-reporter to v2 (#4979)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>
Co-authored-by: Hadrien Croubois <[email protected]>

Author: renovate[bot]

hardhat.config.js

@@ -107,6 +107,7 @@ module.exports = {
   gasReporter: {
     enabled: argv.gas,
     showMethodSig: true,
+    includeBytecodeInJSON: true,
     currency: 'USD',
     coinmarketcap: argv.coinmarketcap,
   },