Bump solhint from 3.6.2 to 4.0.0

Bumps [solhint](https://github.com/protofire/solhint) from 3.6.2 to 4.0.0.
- [Release notes](https://github.com/protofire/solhint/releases)
- [Changelog](https://github.com/protofire/solhint/blob/develop/CHANGELOG.md)
- [Commits](protofire/solhint@3.6.2...v4.0.0)

---
updated-dependencies:
- dependency-name: solhint
  dependency-type: direct:development
  update-type: version-update:semver-major
...

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

package.json

@@ -35,7 +35,7 @@
     "ethers": "^6.4.0",
     "hardhat": "^2.19.0",
     "hardhat-gas-reporter": "^1.0.8",
-    "solhint": "^3.6.2",
+    "solhint": "^4.0.0",
     "solidity-coverage": "^0.8.0",
     "ts-node": ">=8.0.0",
     "typechain": "^8.1.0",