Bump @nomicfoundation/hardhat-chai-matchers in /ethereum

Bumps [@nomicfoundation/hardhat-chai-matchers](https://github.com/nomicfoundation/hardhat) from 1.0.6 to 2.0.4.
- [Release notes](https://github.com/nomicfoundation/hardhat/releases)
- [Commits](https://github.com/nomicfoundation/hardhat/compare/@nomicfoundation/hardhat-chai-matchers@1.0.6...@nomicfoundation/hardhat-chai-matchers@2.0.4)

---
updated-dependencies:
- dependency-name: "@nomicfoundation/hardhat-chai-matchers"
  dependency-type: direct:development
  update-type: version-update:semver-major
...

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

ethereum/package.json

@@ -52,7 +52,7 @@
   "homepage": "https://github.com/tablelandnetwork/rigs#readme",
   "devDependencies": {
     "@ethersproject/providers": "^5.7.2",
-    "@nomicfoundation/hardhat-chai-matchers": "^1.0.6",
+    "@nomicfoundation/hardhat-chai-matchers": "^2.0.4",
     "@nomicfoundation/hardhat-network-helpers": "^1.0.6",
     "@nomicfoundation/hardhat-toolbox": "^2.0.2",
     "@nomiclabs/hardhat-ethers": "^2.2.3",