Update dependency @nomiclabs/hardhat-etherscan to v3.1.8

package.json

@@ -37,7 +37,7 @@
   },
   "dependencies": {
     "@nomiclabs/hardhat-ethers": "2.2.2",
-    "@nomiclabs/hardhat-etherscan": "3.1.3",
+    "@nomiclabs/hardhat-etherscan": "3.1.8",
     "@nomiclabs/hardhat-waffle": "2.0.3",
     "@openzeppelin/contracts": "4.7.3",
     "@openzeppelin/contracts-upgradeable": "4.7.3",

yarn.lock

@@ -866,10 +866,10 @@
   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].8":
+  version "3.1.8"
+  resolved "https://registry.yarnpkg.com/@nomiclabs/hardhat-etherscan/-/hardhat-etherscan-3.1.8.tgz#3c12ee90b3733e0775e05111146ef9418d4f5a38"
+  integrity sha512-v5F6IzQhrsjHh6kQz4uNrym49brK9K5bYCq2zQZ729RYRaifI9hHbtmK+KkIVevfhut7huQFEQ77JLRMAzWYjQ==
   dependencies:
     "@ethersproject/abi" "^5.1.2"
     "@ethersproject/address" "^5.0.2"
@@ -880,7 +880,7 @@
     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"
@@ -10419,13 +10419,6 @@ undici@^5.14.0:
   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"
-  integrity sha512-yJlHYw6yXPPsuOH0x2Ib1Km61vu4hLiRRQoafs+WUgX1vO64vgnxiCEN9dpIrhZyHFsai3F0AEj4P9zy19enEQ==
-  dependencies:
-    busboy "^1.6.0"
-
 union-value@^1.0.0:
   version "1.0.1"
   resolved "https://registry.yarnpkg.com/union-value/-/union-value-1.0.1.tgz#0b6fe7b835aecda61c6ea4d4f02c14221e109847"