Commits on Jul 28, 2022

1. contracts-bedrock: fix build …

   Standardize on the upgradable initializable since the contracts
   are technically upgradable it is more clear. There are no real
   implementation differences between the upgradable and standard
   initializable implementations. `OwnableUpgradable` is `initializable`
   imported from the upgradable package, and the `L2OutputOracle`
   inherits from `OwnableUpgradable`. This means that the only
   way to standardize on a single implementation of `Initializable`
   is to use the upgradable version.
   
   This also bumps the version of the openzeppelin contracts
   dependency because they refactored the initializable implementation
   and made it easier to understand.
   
   https://github.com/OpenZeppelin/openzeppelin-contracts-upgradeable/releases/tag/v4.7.0
   OpenZeppelin/openzeppelin-contracts#3450

   

   tynes committed Jul 28, 2022
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2. op-bindings: regenerate

   

   tynes committed Jul 28, 2022
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