Bump chai from 4.3.10 to 5.1.0 in /blockchain

Bumps [chai](https://github.com/chaijs/chai) from 4.3.10 to 5.1.0.
- [Release notes](https://github.com/chaijs/chai/releases)
- [Changelog](https://github.com/chaijs/chai/blob/main/History.md)
- [Commits](chaijs/chai@v4.3.10...v5.1.0)

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

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

blockchain/package.json

@@ -23,7 +23,7 @@
     "coveralls": "^3.1.1",
     "solidity-coverage": "0.7.19",
     "@typechain/ethers-v5": "^11.1.2",
-    "chai": "^4.3.10",
+    "chai": "^5.1.0",
     "truffle": "^5.11.5",
     "truffle-assertions": "^0.9.2",
     "typechain": "^8.3.2"