Update protos to add support for EditMessage

[gferon]

Unfortunately, it looks like the feature to send groups as attachments (for other people to join?) was deprecated. It looks like it was a feature for GV1 anyways. @rubdos I guess you can remove that from whisperfish?

[rubdos]

I guess you can remove that from whisperfish?

I don't think we have ever implemented group sync that way. Looks like a sync construction anyway. If it's an issue, I will remove it. Shouldn't be difficult.

Thanks!

[codecov]

Codecov Report

Attention: 4 lines in your changes are missing coverage. Please review.

Comparison is base (cd20d3b) 3.73% compared to head (c417217) 3.72%.

❗ Current head c417217 differs from pull request most recent head ea42456. Consider uploading reports for the commit ea42456 to get more accurate results

Additional details and impacted files

@@           Coverage Diff            @@
##            main    #249      +/-   ##
========================================
- Coverage   3.73%   3.72%   -0.01%     
========================================
  Files         38      38              
  Lines       2815    2817       +2     
========================================
  Hits         105     105              
- Misses      2710    2712       +2     

Files	Coverage Δ
libsignal-service/src/cipher.rs	0.00% <ø> (ø)
libsignal-service/src/models.rs	0.00% <ø> (ø)
libsignal-service/src/sender.rs	0.00% <ø> (ø)
libsignal-service/src/envelope.rs	0.00% <0.00%> (ø)
libsignal-service/src/groups_v2/operations.rs	0.00% <0.00%> (ø)
libsignal-service/src/push_service.rs	0.00% <0.00%> (ø)

... and 1 file with indirect coverage changes

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