Bump @openzeppelin/contracts from 4.7.3 to 5.0.0

Bumps [@openzeppelin/contracts](https://github.com/OpenZeppelin/openzeppelin-contracts) from 4.7.3 to 5.0.0.
- [Release notes](https://github.com/OpenZeppelin/openzeppelin-contracts/releases)
- [Changelog](https://github.com/OpenZeppelin/openzeppelin-contracts/blob/master/CHANGELOG.md)
- [Commits](OpenZeppelin/openzeppelin-contracts@v4.7.3...v5.0.0)

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

Signed-off-by: dependabot[bot] <[email protected]>

package.json

@@ -22,7 +22,7 @@
     "@nomicfoundation/hardhat-toolbox": "^1.0.1",
     "@nomiclabs/hardhat-ethers": "^2.2.3",
     "@nomiclabs/hardhat-etherscan": "^3.1.7",
-    "@openzeppelin/contracts": "^4.7.3",
+    "@openzeppelin/contracts": "^5.0.0",
     "@typechain/ethers-v5": "^10.2.1",
     "@typechain/hardhat": "^6.1.6",
     "@types/chai": "^4.3.6",