Update HH dev dep & fix Zeppelin E2E test (#811)

Author: cgewecke

package.json

@@ -56,7 +56,7 @@
     "ethereum-waffle": "^3.4.0",
     "ethers": "^5.5.3",
     "ganache-cli": "6.12.2",
-    "hardhat": "^2.11.0",
+    "hardhat": "^2.17.3",
     "hardhat-gas-reporter": "^1.0.1",
     "nyc": "^14.1.1",
     "solc": "^0.7.5"

scripts/run-zeppelin.sh

@@ -28,8 +28,8 @@ cd openzeppelin-contracts
 echo ">>>>> npm install"
 npm install
 
-# Use HH Merge version
-npm install hardhat@2.11.0 --save-dev
+# Use HH latest
+npm install hardhat@latest --save-dev
 
 echo ">>>>> npm uninstall solidity-coverage --save-dev"
 npm uninstall solidity-coverage --save-dev