Update dependency @nomiclabs/hardhat-ethers to v2.1.0

Author: renovate[bot]

package.json

@@ -16,7 +16,7 @@
 		"contracts/interface"
 	],
 	"devDependencies": {
-		"@nomiclabs/hardhat-ethers": "^2.0.6",
+		"@nomiclabs/hardhat-ethers": "2.1.0",
 		"@nomiclabs/hardhat-waffle": "^2.0.3",
 		"@types/chai": "4.3.1",
 		"@types/dotenv": "8.2.0",

yarn.lock

@@ -603,10 +603,10 @@
     "@nodelib/fs.scandir" "2.1.5"
     fastq "^1.6.0"
 
-"@nomiclabs/hardhat-ethers@^2.0.6":
-  version "2.0.6"
-  resolved "https://registry.yarnpkg.com/@nomiclabs/hardhat-ethers/-/hardhat-ethers-2.0.6.tgz#1c695263d5b46a375dcda48c248c4fba9dfe2fc2"
-  integrity sha512-q2Cjp20IB48rEn2NPjR1qxsIQBvFVYW9rFRCFq+bC4RUrn1Ljz3g4wM8uSlgIBZYBi2JMXxmOzFqHraczxq4Ng==
+"@nomiclabs/hardhat-ethers@2.1.0":
+  version "2.1.0"
+  resolved "https://registry.yarnpkg.com/@nomiclabs/hardhat-ethers/-/hardhat-ethers-2.1.0.tgz#9b7dc94d669ad9dc286b94f6f2f1513118c7027b"
+  integrity sha512-vlW90etB3675QWG7tMrHaDoTa7ymMB7irM4DAQ98g8zJoe9YqEggeDnbO6v5b+BLth/ty4vN6Ko/kaqRN1krHw==
 
 "@nomiclabs/hardhat-waffle@^2.0.3":
   version "2.0.3"