v1.7.0-alpha.7

Gloas

• Fix slot check in proposer preferences gossip (#5191)
• Use dependent root for proposer preferences (#5196)
• Set blob_data_available in PayloadAttestationMessage (#4769)
• Simplify bid.parent_block_hash initialization (#5194)
• Distinguish absent PTC votes from negative votes (#5180)
• Add suggestion to queue sidecars per peer (#5199)

Testing

• Limit test group size for comptests (#5193)
• Restore viable_for_head_roots_and_weights for gloas (#5195)

Other

• Bump version to v1.7.0-alpha.7 (#5198)