build(deps-dev): bump hardhat from 2.22.15 to 2.22.16 (#38)

Bumps [hardhat](https://github.com/nomiclabs/hardhat) from 2.22.15 to 2.22.16.
- [Release notes](https://github.com/nomiclabs/hardhat/releases)
- [Commits](https://github.com/nomiclabs/hardhat/compare/[email protected]@2.22.16)

---
updated-dependencies:
- dependency-name: hardhat
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

package.json

@@ -5,7 +5,7 @@
   "devDependencies": {
     "@nomicfoundation/hardhat-toolbox": "^5.0.0",
     "dotenv": "^16.4.5",
-    "hardhat": "^2.22.15",
+    "hardhat": "^2.22.16",
     "hardhat-deploy": "^0.14.0",
     "prettier": "^3.3.3",
     "prettier-plugin-solidity": "^1.4.1",