build(deps-dev): bump typechain from 5.2.0 to 8.0.0

Bumps [typechain](https://github.com/ethereum-ts/Typechain) from 5.2.0 to 8.0.0.
- [Release notes](https://github.com/ethereum-ts/Typechain/releases)
- [Commits](https://github.com/ethereum-ts/Typechain/compare/[email protected]@8.0.0)

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

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

contract/package.json

@@ -47,7 +47,7 @@
     "solhint": "^3.3.7",
     "solidity-coverage": "^0.7.16",
     "ts-node": "^10.8.1",
-    "typechain": "^5.2.0",
+    "typechain": "^8.0.0",
     "typescript": "^4.7.3"
   }
 }