v1.6.0-alpha.3

Fulu

• Add execution_requests to fulu.GetPayloadResponse (#4389)
• Remove peer sampling in Fulu (#4393)
• Serve DataColumnSidecarsByRoot for finalized epochs (#4394)
• Use get_blob_parameters in gossip block validation (#4401)
• Add some clarifications around new ENR changes (#4406)
• Clarify peering expectations when nfd values are different (#4407)
• Convert DAS providers section to supernodes section (#4415)

Testing

• Add fork choice compliance test generator (#3831)
• Add more proposer lookahead tests (#4375)
• Add fork version to compute fork digest test cases (#4376)
• Add test for proposer lookahead excluding exited validators (#4380)
• Fix yields in new proposer lookahead test (#4386)
• Add fork choice tests for PeerDAS (#4391)
• Fix test_effective_decrease_balance_updates_lookahead reftest (#4395)
• Correct the docstrings for process_execution_payload tests with blobs (#4408)
• Remove unnecessary config overrides in test (#4410)
• Test proposer lookahead initialization uses active validator set at fork (#4413)
• Remove blobs/proofs from new PeerDAS forkchoice tests (#4421)

Other

• Do not wrap long lines in config.yaml files (#4379)
• Bump the actions group with 4 updates (#4385)
• Combine helpers into compute_time_at_slot (#4388)
• Replace ast.unparse() with custom parsing (#4387)
• Add jtraglia's spec viewer to resource list (#4392)
• Remove dead attestation generation code (#4396)
• Add nightly workflow to deal with stale issues/PRs (#4403)
• Bump the actions group with 2 updates (#4405)
• Add support for automated releases (#4409)
• Fix formatting for Capella preset (#4411)
• Update release documentation (#4416)
• Run mdformat on all markdown files (#4417)
• Fix sanity test steps in release action (#4418)
• In the release action, set timeout to 24 hours (#4423)
• In the release action, disable sanity checks & remove sudo (#4425)
• In the release action, add back sudo (#4428)