Bump @openzeppelin/hardhat-upgrades from 3.8.0 to 3.9.0

Bumps [@openzeppelin/hardhat-upgrades](https://github.com/OpenZeppelin/openzeppelin-upgrades) from 3.8.0 to 3.9.0.
- [Release notes](https://github.com/OpenZeppelin/openzeppelin-upgrades/releases)
- [Commits](https://github.com/OpenZeppelin/openzeppelin-upgrades/compare/@openzeppelin/hardhat-upgrades@3.8.0...@openzeppelin/hardhat-upgrades@3.9.0)

---
updated-dependencies:
- dependency-name: "@openzeppelin/hardhat-upgrades"
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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