chore(deps-dev): bump @openzeppelin/contracts-upgradeable

Bumps [@openzeppelin/contracts-upgradeable](https://github.com/OpenZeppelin/openzeppelin-contracts-upgradeable) from 3.4.2 to 4.9.6.
- [Release notes](https://github.com/OpenZeppelin/openzeppelin-contracts-upgradeable/releases)
- [Changelog](https://github.com/OpenZeppelin/openzeppelin-contracts-upgradeable/blob/master/CHANGELOG.md)
- [Commits](OpenZeppelin/openzeppelin-contracts-upgradeable@v3.4.2...v4.9.6)

---
updated-dependencies:
- dependency-name: "@openzeppelin/contracts-upgradeable"
  dependency-version: 4.9.6
  dependency-type: direct:development
...

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

Author: dependabot[bot]

packages/contracts-test/package.json

@@ -40,7 +40,7 @@
     "@nomiclabs/hardhat-etherscan": "^3.1.0",
     "@nomiclabs/hardhat-waffle": "^2.0.6",
     "@openzeppelin/contracts": "3.4.2",
-    "@openzeppelin/contracts-upgradeable": "3.4.2",
+    "@openzeppelin/contracts-upgradeable": "4.9.6",
     "@openzeppelin/hardhat-upgrades": "^1.22.1",
     "@typechain/ethers-v5": "^10.2.1",
     "@typechain/hardhat": "^6.1.2",