Update needed: open_zeppelin_contracts (v5.4.0 -> v5.5.0)

A new release has been detected for open_zeppelin_contracts.

**Category:** repositories
**Current version:** v5.4.0
**Latest version:** v5.5.0

Please review the [changelog](https://github.com/OpenZeppelin/openzeppelin-contracts/releases/tag/v5.5.0) and update the documentation accordingly.
