v2.0: replay: do not refresh votes for hot spare validators (backport of #2770) #2779
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Problem
Hot spares will attempt to refresh votes even though the identity keypair check will fail.
This results in a large amount of log spam.
Summary of Changes
solana-labs#34737 (comment) creates a distinction between failed vote generation and non-voting validators.
Add an additional case for hot spare validators and exclude them from the refresh vote check as well.
Contributes to #2768
This is an automatic backport of pull request #2770 done by [Mergify](https://mergify.com).