Bump @openzeppelin/contracts-upgradeable and @eth-optimism/sdk

Removes [@openzeppelin/contracts-upgradeable](https://github.com/OpenZeppelin/openzeppelin-contracts-upgradeable). It's no longer used after updating ancestor dependency [@eth-optimism/sdk](https://github.com/ethereum-optimism/optimism). These dependencies need to be updated together.


Removes `@openzeppelin/contracts-upgradeable`

Updates `@eth-optimism/sdk` from 3.0.0 to 3.1.6
- [Release notes](https://github.com/ethereum-optimism/optimism/releases)
- [Commits](https://github.com/ethereum-optimism/optimism/compare/@eth-optimism/sdk@3.0.0...@eth-optimism/sdk@3.1.6)

---
updated-dependencies:
- dependency-name: "@openzeppelin/contracts-upgradeable"
  dependency-type: indirect
- dependency-name: "@eth-optimism/sdk"
  dependency-type: direct:production
...

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