chore(deps-dev): bump @openzeppelin/contracts from 4.7.0 to 4.7.2

Bumps [@openzeppelin/contracts](https://github.com/OpenZeppelin/openzeppelin-contracts) from 4.7.0 to 4.7.2.
- [Release notes](https://github.com/OpenZeppelin/openzeppelin-contracts/releases)
- [Changelog](https://github.com/OpenZeppelin/openzeppelin-contracts/blob/master/CHANGELOG.md)
- [Commits](OpenZeppelin/openzeppelin-contracts@v4.7.0...v4.7.2)

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

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

contracts/package.json

@@ -23,7 +23,7 @@
   "devDependencies": {
     "@nomiclabs/hardhat-ethers": "npm:hardhat-deploy-ethers@0.3.0-beta.13",
     "@nomiclabs/hardhat-waffle": "^2.0.3",
-    "@openzeppelin/contracts": "^4.7.0",
+    "@openzeppelin/contracts": "^4.7.2",
     "@tenderly/hardhat-tenderly": "^1.1.3",
     "@typechain/ethers-v5": "^10.0.0",
     "@typechain/hardhat": "^6.1.2",