Consensus release for node 10.5

[jasagredo]

This is an aggregation of PRs or issues that we need to resolve for node 10.5

• ChainSync: if GSM.CaughtUp, CSJ.registerClient disengages new peers #1492 @nfrisby
• consensus: more carefully hide HeaderWithTime from traces #1498 @geo2a
  • consensus: integrate HeaderWithTime cardano-node#6211 @geo2a
• [FEAT] - Snapshot at predictable points #1424 (if it arrives in time)
• Integrate o-network-0.21 #1506
• Version bump PR @jasagredo
• CHaP release PR @jasagredo
• Tag on main @jasagredo