Bitwise compress incomplete epoch slots (bp #8341)

[mergify]

This is an automated backport of pull request #8341 done by Mergify.io

Cherry-pick of ea8d9d1 has failed:

On branch mergify/bp/v0.23/pr-8341
Your branch is up to date with 'origin/v0.23'.

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	both modified:   core/src/cluster_info.rs
	both modified:   core/src/crds_value.rs

no changes added to commit (use "git add" and/or "git commit -a")

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[solana-grimes]

💔 Unable to automerge due to CI failure

[mvines]

Ouch, this conflicted pretty badly on 0.23. @pgarg66 - could you please resolve the conflicts here?

[pgarg66]

Ouch, this conflicted pretty badly on 0.23. @pgarg66 - could you please resolve the conflicts here?

Yep, #8276 is a predecessor to this. I've backported that. Once that lands, I'll rebase it manually

[pgarg66]

Cherry picking using #8347