Update hardhat-deploy and hardhat-etherscan plugins

Update plugins to the latest versions.

Author: nkuba

package.json

@@ -38,17 +38,17 @@
   "dependencies": {
     "@keep-network/keep-core": ">1.8.0-dev <1.8.0-pre",
     "@keep-network/tbtc": ">1.1.2-dev <1.1.2-pre",
-    "@thesis/solidity-contracts": "github:thesis/solidity-contracts#4985bcf",
-    "@threshold-network/solidity-contracts": ">1.1.0-dev <1.1.0-ropsten",
     "@openzeppelin/contracts": "^4.3",
-    "@tenderly/hardhat-tenderly": "^1.0.12"
+    "@tenderly/hardhat-tenderly": "^1.0.12",
+    "@thesis/solidity-contracts": "github:thesis/solidity-contracts#4985bcf",
+    "@threshold-network/solidity-contracts": ">1.1.0-dev <1.1.0-ropsten"
   },
   "devDependencies": {
     "@keep-network/hardhat-helpers": "^0.2.0-pre",
     "@keep-network/hardhat-local-networks-config": "0.1.0-pre.0",
     "@keep-network/prettier-config-keep": "github:keep-network/prettier-config-keep#d6ec02e",
     "@nomiclabs/hardhat-ethers": "^2.0.2",
-    "@nomiclabs/hardhat-etherscan": "^2.1.6",
+    "@nomiclabs/hardhat-etherscan": "^3.1.0",
     "@nomiclabs/hardhat-waffle": "^2.0.1",
     "@types/chai": "^4.2.20",
     "@types/mocha": "^8.2.3",
@@ -60,7 +60,7 @@
     "ethers": "^5.0.32",
     "hardhat": "^2.6.4",
     "hardhat-dependency-compiler": "^1.1.1",
-    "hardhat-deploy": "^0.9.1",
+    "hardhat-deploy": "^0.11.12",
     "hardhat-gas-reporter": "^1.0.4",
     "prettier": "^2.3.2",
     "prettier-plugin-sh": "^0.7.1",