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

Author: renovate[bot]

package.json

@@ -7,7 +7,7 @@
         "@nomiclabs/hardhat-ethers": "^2.0.6",
         "@nomiclabs/hardhat-etherscan": "^3.1.0",
         "@nomiclabs/hardhat-waffle": "^2.0.3",
-        "@openzeppelin/contracts": "4.9.0",
+        "@openzeppelin/contracts": "4.9.6",
         "@typechain/ethers-v5": "^7.0.1",
         "@typechain/hardhat": "^7.0.0",
         "@types/mocha": "^10.0.0",

yarn.lock

@@ -566,10 +566,10 @@
   resolved "https://registry.yarnpkg.com/@nomiclabs/hardhat-waffle/-/hardhat-waffle-2.0.6.tgz#d11cb063a5f61a77806053e54009c40ddee49a54"
   integrity sha512-+Wz0hwmJGSI17B+BhU/qFRZ1l6/xMW82QGXE/Gi+WTmwgJrQefuBs1lIf7hzQ1hLk6hpkvb/zwcNkpVKRYTQYg==
 
-"@openzeppelin/contracts@4.9.0":
-  version "4.9.0"
-  resolved "https://registry.yarnpkg.com/@openzeppelin/contracts/-/contracts-4.9.0.tgz#683f33b6598970051bc5f0806fd8660da9e018dd"
-  integrity sha512-DUP74AFGKlic2sQb/CmgrN2aUPMFGxRrmCTUxLHsiU2RzwWqVuMPZBxiAyvlff6Pea77uylAX6B5x9W6evEbhA==
+"@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==
 
 "@pnpm/config.env-replace@^1.1.0":
   version "1.1.0"