Commits on Oct 18, 2024

1. offline_log_viewer: allow reading newer versions of envelopes …

   Before this commit offline log viewer would refuse reading envelopes if
   their version was higher than max_version. That is an overly restrictive
   constraint. Our envelopes are designed to be forward and backwards
   compatible so in most of the cases an older implementation of the log
   viewer should be able to read newer versions of the envelopes just fine.
   
   This commit implements that. Instead of putting a constraint on
   version we constrain only compat_version like regular redpanda
   deserialization would do.
   
   Additional changes include issuing a warning if offline log viewer
   compat version is lower than envelope version. This means that offline
   log viewer will be able to decode only a subset of the envelope.
   
   And obviously added code to skip over data that can't be read by the
   offline log viewer.
   
   Breaking changes in the envelopes are introduced by bumping compat
   version. In that case offline log viewer will refuse the decoding as
   expected.

   

   nvartolomei committed Oct 18, 2024
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