Release op-batcher & op-proposer v1.4.2

⬆️ This is a recommended release for the op-batcher & the op-proposer.

It switches the compressor type to shadow by default on the batcher, adds an optional active sequencer follow mode on the batcher & proposer, & includes several bugfixes to the transaction manger.

Partial Changelog

• Batch validation test refactoring by @ImTei in #7953
• Fix batcher panic on invalid configuration by @mdehoog in #7975
• Span Batch Hard Fork Activation Rule Update by @pcw109550 in #7813
• op-service: cliapp lifecycle test fix, prevent race nil-ptr on app state-access by @protolambda in #8077
• op-proposer: Fix err check location in test by @trianglesphere in #8322
• op-batcher: Move config test from op-e2e to unit tests by @trianglesphere in #8463
• make shadow compressor the default compressor type by @roberto-bayardo in #8545
• txmgr: Fix gas estimation call by @sebastianst in #8578
• fix swapped fee/tip parameters to estimateGas by @roberto-bayardo in #8572
• op-batcher: adjust error handling on pending-channels after close by @protolambda in #7683
• feat(proxyd): impl proxyd_healthz method by @felipe-op in #8658
• op-node,batcher,proposer,challenger: Add env var flag tests by @trianglesphere in #8596
• op-service, op-batcher, op-proposer: Active sequencer follow mode by @EvanJRichard in #8585
• op-service/txmgr: Add threshold to gas price increase limiter by @sebastianst in #8699
• op-service/txmgr: Bump fees by at least 1 wei by @sebastianst in #8713
• [txmgr] Ensure that fee is increased by at least 10% by @mdehoog in #8747

Full Changelog: op-batcher/v1.3.0...op-batcher/v1.4.2

Docker Images

https://us-docker.pkg.dev/oplabs-tools-artifacts/images/op-batcher:v1.4.2
https://us-docker.pkg.dev/oplabs-tools-artifacts/images/op-proposer:v1.4.2