Update dependency @nomiclabs/hardhat-ethers to v2.2.2

yarn.lock

@@ -644,14 +644,14 @@
   integrity sha512-Gg0IFkT/DW3vOpih4/kMjeZCLYqtfgECLeLXTs7ZDPzcK0cfoc5wKk4nq5n/izCUzdhidO/Utd6ptF9JrWwWVA==
 
 "@nomiclabs/hardhat-ethers@^2.0.0":
-  version "2.2.1"
-  resolved "https://registry.yarnpkg.com/@nomiclabs/hardhat-ethers/-/hardhat-ethers-2.2.1.tgz#8057b43566a0e41abeb8142064a3c0d3f23dca86"
-  integrity sha512-RHWYwnxryWR8hzRmU4Jm/q4gzvXpetUOJ4OPlwH2YARcDB+j79+yAYCwO0lN1SUOb4++oOTJEe6AWLEc42LIvg==
+  version "2.2.2"
+  resolved "https://registry.yarnpkg.com/@nomiclabs/hardhat-ethers/-/hardhat-ethers-2.2.2.tgz#812d48929c3bf8fe840ec29eab4b613693467679"
+  integrity sha512-NLDlDFL2us07C0jB/9wzvR0kuLivChJWCXTKcj3yqjZqMoYp7g7wwS157F70VHx/+9gHIBGzak5pKDwG8gEefA==
 
 "@nomiclabs/hardhat-etherscan@^3.0.0":
-  version "3.1.4"
-  resolved "https://registry.yarnpkg.com/@nomiclabs/hardhat-etherscan/-/hardhat-etherscan-3.1.4.tgz#970e57fabc6060489c93b3f646ca790db36ffee0"
-  integrity sha512-fw8JCfukf6MdIGoySRmSftlM2wBgoaSbWQZgiYfD/KTeaSFEWCdMpuPZcLSBXtwtnQyyWDs07Lo7fL8HSqtD2Q==
+  version "3.1.7"
+  resolved "https://registry.yarnpkg.com/@nomiclabs/hardhat-etherscan/-/hardhat-etherscan-3.1.7.tgz#72e3d5bd5d0ceb695e097a7f6f5ff6fcbf062b9a"
+  integrity sha512-tZ3TvSgpvsQ6B6OGmo1/Au6u8BrAkvs1mIC/eURA3xgIfznUZBhmpne8hv7BXUzw9xNL3fXdpOYgOQlVMTcoHQ==
   dependencies:
     "@ethersproject/abi" "^5.1.2"
     "@ethersproject/address" "^5.0.2"
@@ -662,7 +662,7 @@
     lodash "^4.17.11"
     semver "^6.3.0"
     table "^6.8.0"
-    undici "^5.4.0"
+    undici "^5.14.0"
 
 "@openzeppelin/contracts@^4.8.0":
   version "4.8.0"
@@ -4778,6 +4778,13 @@ unbox-primitive@^1.0.2:
     has-symbols "^1.0.3"
     which-boxed-primitive "^1.0.2"
 
+undici@^5.14.0:
+  version "5.21.0"
+  resolved "https://registry.yarnpkg.com/undici/-/undici-5.21.0.tgz#b00dfc381f202565ab7f52023222ab862bb2494f"
+  integrity sha512-HOjK8l6a57b2ZGXOcUsI5NLfoTrfmbOl90ixJDl0AEFG4wgHNDQxtZy15/ZQp7HhjkpaGlp/eneMgtsu1dIlUA==
+  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"