chore(deps): update dependency @nomiclabs/hardhat-etherscan to v2.1.5 (#14)

Co-authored-by: Renovate Bot <bot@renovateapp.com>

package-lock.json

@@ -10,7 +10,7 @@
             "license": "MIT",
             "devDependencies": {
                 "@nomiclabs/hardhat-ethers": "npm:hardhat-deploy-ethers@0.3.0-beta.10",
-                "@nomiclabs/hardhat-etherscan": "2.1.4",
+                "@nomiclabs/hardhat-etherscan": "2.1.5",
                 "@nomiclabs/hardhat-solhint": "2.0.0",
                 "@nomiclabs/hardhat-web3": "2.0.0",
                 "@openzeppelin/contracts": "4.3.0",
@@ -1047,8 +1047,9 @@
             }
         },
         "node_modules/@nomiclabs/hardhat-etherscan": {
-            "version": "2.1.4",
-            "integrity": "sha512-KgFNTQv9gpioiTpQ9UlTysCAFfkcBonmEn9rVPTT22A7DRENFM1VTsVeGWF3AzRhd0mrASBF+o0gvbH30pSe0Q==",
+            "version": "2.1.5",
+            "resolved": "https://registry.npmjs.org/@nomiclabs/hardhat-etherscan/-/hardhat-etherscan-2.1.5.tgz",
+            "integrity": "sha512-Vxm1hcVrpgNg1yf/oBjkMuOpjz88cq9UiFUHdmnLNDgXfGNb+J/BtuZSCiVnRaS81OeEeXfjrTA5B31UiscaLA==",
             "dev": true,
             "dependencies": {
                 "@ethersproject/abi": "^5.1.2",
@@ -13475,8 +13476,9 @@
             "requires": {}
         },
         "@nomiclabs/hardhat-etherscan": {
-            "version": "2.1.4",
-            "integrity": "sha512-KgFNTQv9gpioiTpQ9UlTysCAFfkcBonmEn9rVPTT22A7DRENFM1VTsVeGWF3AzRhd0mrASBF+o0gvbH30pSe0Q==",
+            "version": "2.1.5",
+            "resolved": "https://registry.npmjs.org/@nomiclabs/hardhat-etherscan/-/hardhat-etherscan-2.1.5.tgz",
+            "integrity": "sha512-Vxm1hcVrpgNg1yf/oBjkMuOpjz88cq9UiFUHdmnLNDgXfGNb+J/BtuZSCiVnRaS81OeEeXfjrTA5B31UiscaLA==",
             "dev": true,
             "requires": {
                 "@ethersproject/abi": "^5.1.2",

package.json

@@ -22,7 +22,7 @@
     "license": "MIT",
     "devDependencies": {
         "@nomiclabs/hardhat-ethers": "npm:hardhat-deploy-ethers@0.3.0-beta.10",
-        "@nomiclabs/hardhat-etherscan": "2.1.4",
+        "@nomiclabs/hardhat-etherscan": "2.1.5",
         "@nomiclabs/hardhat-solhint": "2.0.0",
         "@nomiclabs/hardhat-web3": "2.0.0",
         "@openzeppelin/contracts": "4.3.0",