Update dependency @nomiclabs/hardhat-etherscan to v3.1.6

package.json

@@ -37,7 +37,7 @@
   },
   "dependencies": {
     "@nomiclabs/hardhat-ethers": "2.2.2",
-    "@nomiclabs/hardhat-etherscan": "3.1.3",
+    "@nomiclabs/hardhat-etherscan": "3.1.6",
     "@nomiclabs/hardhat-waffle": "2.0.3",
     "@openzeppelin/contracts": "4.7.3",
     "@openzeppelin/contracts-upgradeable": "4.7.3",

yarn.lock

@@ -796,10 +796,10 @@
   resolved "https://registry.yarnpkg.com/@nomiclabs/hardhat-ethers/-/hardhat-ethers-2.2.2.tgz#812d48929c3bf8fe840ec29eab4b613693467679"
   integrity sha512-NLDlDFL2us07C0jB/9wzvR0kuLivChJWCXTKcj3yqjZqMoYp7g7wwS157F70VHx/+9gHIBGzak5pKDwG8gEefA==
 
-"@nomiclabs/[email protected].3":
-  version "3.1.3"
-  resolved "https://registry.yarnpkg.com/@nomiclabs/hardhat-etherscan/-/hardhat-etherscan-3.1.3.tgz#c9dbaa4174edfa075a464a0e9142bc8710a2c4e2"
-  integrity sha512-UeNO97j0lwOHqX7mrH6SfQQBdXq1Ng6eFr7uJKuQOrq2UVTWGD70lE5QO4fAFVPz9ao+xlNpMyIqSR7+OaDR+Q==
+"@nomiclabs/[email protected].6":
+  version "3.1.6"
+  resolved "https://registry.yarnpkg.com/@nomiclabs/hardhat-etherscan/-/hardhat-etherscan-3.1.6.tgz#7e50aeb06501a0060655664599d9e35cfd475929"
+  integrity sha512-5WFIZeLLgWPiCJqm/4ie7UNXn7FXfzYmqnKwOKU2MLETGolzY1cueSYUTww/P8f+Zc9xfJLmzqSYcGLW/3j/IQ==
   dependencies:
     "@ethersproject/abi" "^5.1.2"
     "@ethersproject/address" "^5.0.2"
@@ -810,7 +810,7 @@
     lodash "^4.17.11"
     semver "^6.3.0"
     table "^6.8.0"
-    undici "^5.4.0"
+    undici "^5.14.0"
 
 "@nomiclabs/[email protected]":
   version "2.0.3"
@@ -9274,7 +9274,7 @@ solidity-ast@^0.4.38:
   resolved "https://registry.yarnpkg.com/solidity-ast/-/solidity-ast-0.4.45.tgz#37c1c17bd79123106fc69d94b4a8e9237ae8c625"
   integrity sha512-N6uqfaDulVZqjpjru+KvMLjV89M3hesyr/1/t8nkjohRagFSDmDxZvb9viKV98pdwpMzs61Nt2JAApgh0fkL0g==
 
-solidity-coverage@^0.8.2:
+[email protected]:
   version "0.8.2"
   resolved "https://registry.yarnpkg.com/solidity-coverage/-/solidity-coverage-0.8.2.tgz#bc39604ab7ce0a3fa7767b126b44191830c07813"
   integrity sha512-cv2bWb7lOXPE9/SSleDO6czkFiMHgP4NXPj+iW9W7iEKLBk7Cj0AGBiNmGX3V1totl9wjPrT0gHmABZKZt65rQ==
@@ -10234,6 +10234,13 @@ [email protected]:
   resolved "https://registry.yarnpkg.com/underscore/-/underscore-1.9.1.tgz#06dce34a0e68a7babc29b365b8e74b8925203961"
   integrity sha512-5/4etnCkd9c8gwgowi5/om/mYO5ajCaOgdzj/oW+0eQV9WxKBDZw5+ycmKmeaTXjInS/W0BzpGLo2xR2aBwZdg==
 
+undici@^5.14.0:
+  version "5.20.0"
+  resolved "https://registry.yarnpkg.com/undici/-/undici-5.20.0.tgz#6327462f5ce1d3646bcdac99da7317f455bcc263"
+  integrity sha512-J3j60dYzuo6Eevbawwp1sdg16k5Tf768bxYK4TUJRH7cBM4kFCbf3mOnM/0E3vQYXvpxITbbWmBafaDbxLDz3g==
+  dependencies:
+    busboy "^1.6.0"
+
 undici@^5.4.0:
   version "5.14.0"
   resolved "https://registry.yarnpkg.com/undici/-/undici-5.14.0.tgz#1169d0cdee06a4ffdd30810f6228d57998884d00"