Bump web3 from 1.3.6 to 4.1.2

Bumps [web3](https://github.com/ChainSafe/web3.js) from 1.3.6 to 4.1.2.
- [Release notes](https://github.com/ChainSafe/web3.js/releases)
- [Changelog](https://github.com/web3/web3.js/blob/4.x/CHANGELOG.md)
- [Commits](web3/web3.js@v1.3.6...v4.1.2)

---
updated-dependencies:
- dependency-name: web3
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>

package.json

@@ -44,7 +44,7 @@
     "truffle": "^5.3.7",
     "truffle-assertions": "^0.9.2",
     "truffle-flattener": "^1.5.0",
-    "web3": "^1.3.6"
+    "web3": "^4.1.2"
   },
   "devDependencies": {
     "@nomiclabs/hardhat-ethers": "^2.0.2",