fix: move hardhat-etherscan dep to dev deps

packages/contracts/package.json

@@ -45,8 +45,7 @@
     "@ethersproject/abstract-provider": "^5.4.1",
     "@ethersproject/abstract-signer": "^5.4.1",
     "@ethersproject/contracts": "^5.4.1",
-    "@ethersproject/hardware-wallets": "^5.4.0",
-    "@nomiclabs/hardhat-etherscan": "^2.1.5"
+    "@ethersproject/hardware-wallets": "^5.4.0"
   },
   "devDependencies": {
     "@codechecks/client": "^0.1.11",
@@ -54,6 +53,7 @@
     "@eth-optimism/smock": "^1.1.10",
     "@ethersproject/transactions": "^5.4.0",
     "@nomiclabs/hardhat-ethers": "^2.0.2",
+    "@nomiclabs/hardhat-etherscan": "^2.1.6",
     "@nomiclabs/hardhat-waffle": "^2.0.1",
     "@openzeppelin/contracts": "^3.3.0",
     "@openzeppelin/contracts-upgradeable": "^3.3.0",

yarn.lock

@@ -1940,10 +1940,10 @@
   resolved "https://registry.yarnpkg.com/@nomiclabs/hardhat-ethers/-/hardhat-ethers-2.0.2.tgz#c472abcba0c5185aaa4ad4070146e95213c68511"
   integrity sha512-6quxWe8wwS4X5v3Au8q1jOvXYEPkS1Fh+cME5u6AwNdnI4uERvPlVjlgRWzpnb+Rrt1l/cEqiNRH9GlsBMSDQg==
 
-"@nomiclabs/hardhat-etherscan@^2.1.5":
-  version "2.1.5"
-  resolved "https://registry.yarnpkg.com/@nomiclabs/hardhat-etherscan/-/hardhat-etherscan-2.1.5.tgz#bfd09784dbd0982dbab27f28ca4fb4671b1cd5f6"
-  integrity sha512-Vxm1hcVrpgNg1yf/oBjkMuOpjz88cq9UiFUHdmnLNDgXfGNb+J/BtuZSCiVnRaS81OeEeXfjrTA5B31UiscaLA==
+"@nomiclabs/hardhat-etherscan@^2.1.6":
+  version "2.1.6"
+  resolved "https://registry.yarnpkg.com/@nomiclabs/hardhat-etherscan/-/hardhat-etherscan-2.1.6.tgz#8d1502f42adc6f7b8ef16fb917c0b5a8780cb83a"
+  integrity sha512-gCvT5fj8GbXS9+ACS3BzrX0pzYHHZqAHCb+NcipOkl2cy48FakUXlzrCf4P4sTH+Y7W10OgT62ezD1sJ+/NikQ==
   dependencies:
     "@ethersproject/abi" "^5.1.2"
     "@ethersproject/address" "^5.0.2"