[Holesky] v0.8.4-rc.0

Summary

This pre-release is optional and contains minor fixes, updates to logging, and devops improvements.

• Latency observability into encoding and retrieval endpoint
• Reduce metrics cardinality
• EigenDA client:
  • Logging update
  • Ability to initialize without configuring signer
• Improvement in protobuf compilation & docker build pipeline

NOTE: The encoding optimization introduced in v0.8.0, which is not compatible with the previous versions, will be enabled on 10/13 11AM PDT. Please ensure that DA node is upgraded to v0.8.0+ by 10/11. This breaking change only affects DA nodes and does not affect rollups or any users posting blobs.

What's Changed

• chore: refactor to single multistage dockerfile with bake file by @samlaf in #754
• feat: dockerfile for deploying contracts by @samlaf in #755
• Lightnode docker by @cody-littley in #726
• Bump actions/upload-artifact action by @ian-shim in #758
• [ci] Generate unit test coverage on PR by @ian-shim in #759
• Add registry and repository variables to docker bake for devops builds by @pschork in #760
• Fix docker-bake issues with devops builds by @pschork in #761
• doc: remove duplicate word by @xiaobei0715 in #753
• DAS protobuffs by @cody-littley in #710
• chore: cleaner eigenda_client logs by @samlaf in #764
• Make the latency accounting more accurate for encoder by @jianoaix in #766
• Lightnode kv store by @cody-littley in #721
• Add headers for routing on encoding streamer by @dmanc in #765
• 'make protoc' now utilizes docker workflow by default. by @cody-littley in #748
• Reduce the operator latency metric cardinality by @jianoaix in #768
• Instrument the retrieval latency stages by @jianoaix in #771
• rm sig check by @bxue-l2 in #770

New Contributors

• @xiaobei0715 made their first contribution in #753

Full Changelog: v0.8.3...v0.8.4-rc.0