Update dependency prettier to v2.8.0

Author: renovate[bot]

package.json

@@ -33,7 +33,7 @@
 		"hardhat": "2.9.9",
 		"husky": "7.0.4",
 		"mocha": "9.2.2",
-		"prettier": "2.7.1",
+		"prettier": "2.8.0",
 		"prettier-plugin-solidity": "1.0.0",
 		"rimraf": "3.0.2",
 		"solhint": "3.3.7",

yarn.lock

@@ -6817,10 +6817,10 @@ prettier-plugin-solidity@1.0.0:
     solidity-comments-extractor "^0.0.7"
     string-width "^4.2.3"
 
-prettier@2.7.1:
-  version "2.7.1"
-  resolved "https://registry.yarnpkg.com/prettier/-/prettier-2.7.1.tgz#e235806850d057f97bb08368a4f7d899f7760c64"
-  integrity sha512-ujppO+MkdPqoVINuDFDRLClm7D78qbDt0/NR+wp5FqEZOoTNAjPHWj17QRhu7geIHJfcNhRk1XVQmF8Bp3ye+g==
+prettier@2.8.0:
+  version "2.8.0"
+  resolved "https://registry.yarnpkg.com/prettier/-/prettier-2.8.0.tgz#c7df58393c9ba77d6fba3921ae01faf994fb9dc9"
+  integrity sha512-9Lmg8hTFZKG0Asr/kW9Bp8tJjRVluO8EJQVfY2T7FMw9T5jy4I/Uvx0Rca/XWf50QQ1/SS48+6IJWnrb+2yemA==
 
 prettier@^1.14.3:
   version "1.19.1"