Bump @openzeppelin/contracts from 4.9.6 to 5.1.0

Bumps [@openzeppelin/contracts](https://github.com/OpenZeppelin/openzeppelin-contracts) from 4.9.6 to 5.1.0.
- [Release notes](https://github.com/OpenZeppelin/openzeppelin-contracts/releases)
- [Changelog](https://github.com/OpenZeppelin/openzeppelin-contracts/blob/master/CHANGELOG.md)
- [Commits](OpenZeppelin/openzeppelin-contracts@v4.9.6...v5.1.0)

---
updated-dependencies:
- dependency-name: "@openzeppelin/contracts"
  dependency-type: direct:development
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>

package.json

@@ -160,7 +160,7 @@
     "@nomicfoundation/hardhat-ethers": "^3.0.8",
     "@nomicfoundation/hardhat-network-helpers": "^1.0.12",
     "@nomicfoundation/hardhat-verify": "^2.0.11",
-    "@openzeppelin/contracts": "^4.9.6",
+    "@openzeppelin/contracts": "^5.1.0",
     "@typechain/ethers-v6": "^0.5.1",
     "@typechain/hardhat": "^9.1.0",
     "@types/chai": "^4.3.20",