chore(deps): update dependency @openzeppelin/contracts to v4.9.6

Author: renovate[bot]

package.json

@@ -25,7 +25,7 @@
 		"@nomiclabs/hardhat-ethers": "2.2.3",
 		"@nomiclabs/hardhat-etherscan": "^3.1.8",
 		"@nomiclabs/hardhat-waffle": "2.0.6",
-		"@openzeppelin/contracts": "4.8.2",
+		"@openzeppelin/contracts": "4.9.6",
 		"@openzeppelin/hardhat-upgrades": "1.28.0",
 		"@types/chai": "4.3.11",
 		"@types/dotenv": "8.2.0",

yarn.lock

@@ -1196,10 +1196,10 @@
   resolved "https://registry.yarnpkg.com/@openzeppelin/contracts/-/contracts-4.3.0.tgz#345236d4ec73ef381ab4907c6ef66fd55e5dedad"
   integrity sha512-+uBDl/TrmR0Kch6mq3tuxMex/fK7huR6+fQMae+zJk1K5T+dp0pFl12Hbc+1L6oYMXoyDSBJ8zqhRIntrREDFA==
 
-"@openzeppelin/contracts@4.8.2":
-  version "4.8.2"
-  resolved "https://registry.yarnpkg.com/@openzeppelin/contracts/-/contracts-4.8.2.tgz#d815ade0027b50beb9bcca67143c6bcc3e3923d6"
-  integrity sha512-kEUOgPQszC0fSYWpbh2kT94ltOJwj1qfT2DWo+zVttmGmf97JZ99LspePNaeeaLhCImaHVeBbjaQFZQn7+Zc5g==
+"@openzeppelin/contracts@4.9.6":
+  version "4.9.6"
+  resolved "https://registry.yarnpkg.com/@openzeppelin/contracts/-/contracts-4.9.6.tgz#2a880a24eb19b4f8b25adc2a5095f2aa27f39677"
+  integrity sha512-xSmezSupL+y9VkHZJGDoCBpmnB2ogM13ccaYDWqJTfS3dbuHkgjuwDFUmaFauBCboQMGB/S5UqUl2y54X99BmA==
 
 "@openzeppelin/defender-base-client@^1.46.0":
   version "1.54.1"