On ETH: unnominate unused staking contracts; on Celo: change drainer in ServiceRegistryL2 and ServiceRegistryTokenUtility due to switch of bridge mediator to Op stack one; whitelist GnosisSafeMultisigImplementation in ServiceRegistryL2. In accordance with Autonolas DAO Constitution at ipfs://bafybeibrhz6hnxsxcbv7dkzerq4chssotexb276pidzwclbytzj7m4t47u