Update dependency prettier to v2.8.3

Author: renovate[bot]

package.json

@@ -45,7 +45,7 @@
 		"hardhat": "2.9.9",
 		"hardhat-abi-exporter": "2.3.0",
 		"hardhat-gas-reporter": "1.0.9",
-		"prettier": "2.8.2",
+		"prettier": "2.8.3",
 		"prettier-plugin-solidity": "1.1.1",
 		"solhint": "3.3.7",
 		"solidity-coverage": "0.8.2",

yarn.lock

@@ -8726,10 +8726,10 @@ prettier-plugin-solidity@1.1.1:
     semver "^7.3.8"
     solidity-comments-extractor "^0.0.7"
 
-prettier@2.8.2:
-  version "2.8.2"
-  resolved "https://registry.yarnpkg.com/prettier/-/prettier-2.8.2.tgz#c4ea1b5b454d7c4b59966db2e06ed7eec5dfd160"
-  integrity sha512-BtRV9BcncDyI2tsuS19zzhzoxD8Dh8LiCx7j7tHzrkz8GFXAexeWFdi22mjE1d16dftH2qNaytVxqiRTGlMfpw==
+prettier@2.8.3:
+  version "2.8.3"
+  resolved "https://registry.yarnpkg.com/prettier/-/prettier-2.8.3.tgz#ab697b1d3dd46fb4626fbe2f543afe0cc98d8632"
+  integrity sha512-tJ/oJ4amDihPoufT5sM0Z1SKEuKay8LfVAMlbbhnnkvt6BUserZylqo2PN+p9KeljLr0OHa2rXHU1T8reeoTrw==
 
 prettier@^1.14.3:
   version "1.19.1"