[op-batcher] Add Compressor abstraction, and new implementation with shadow compression

feat(proxyd): prevent banning out-of-sync backend

fix(op-node): Remove Deprecated Public rpc.Api Field

This reverts commit bda51b6abc0b8d686c859f3d2a0fda9bc50fdaed.

Remove unused config for final-migration-rehearsal network

op-chain-ops: better comments

fault-detector: add readme for custom op-chains (+ bugfix)