chore(deps): bump @openzeppelin/contracts in /packages/contracts

Bumps [@openzeppelin/contracts](https://github.com/OpenZeppelin/openzeppelin-contracts) from 5.3.0 to 5.4.0.
- [Release notes](https://github.com/OpenZeppelin/openzeppelin-contracts/releases)
- [Changelog](https://github.com/OpenZeppelin/openzeppelin-contracts/blob/master/CHANGELOG.md)
- [Commits](https://github.com/OpenZeppelin/openzeppelin-contracts/compare/v5.3.0...v5.4.0)

---
updated-dependencies:
- dependency-name: "@openzeppelin/contracts"
  dependency-version: 5.4.0
  dependency-type: direct:production
...

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

packages/contracts/package.json

@@ -7,7 +7,7 @@
     "publish": "yarn npm publish --access=public"
   },
   "dependencies": {
-    "@openzeppelin/contracts": "5.3.0",
+    "@openzeppelin/contracts": "5.4.0",
     "@openzeppelin/contracts-upgradeable": "5.3.0",
     "dotenv": "^16.3.1"
   },