Merge pull request #102 from kleros/dependabot/npm_and_yarn/hardhat-2.9.9

chore(deps-dev): bump hardhat from 2.9.7 to 2.9.9

Author: jaybuidl

contracts/package.json

@@ -39,7 +39,7 @@
     "ethereumjs-util": "^7.1.4",
     "ethers": "^5.6.7",
     "follow-redirects": "^1.15.0",
-    "hardhat": "^2.9.6",
+    "hardhat": "^2.9.9",
     "hardhat-contract-sizer": "^2.5.1",
     "hardhat-deploy": "^0.11.10",
     "hardhat-deploy-ethers": "^0.3.0-beta.13",