Bump bls-signatures to v3.0

[samkim-crypto]

Problem

Next major release of bls-signatures is out.

Summary of Changes

Upgrade to bls-signatures v3.0.

I simplified the logic a little in the vote program with the improved API.

I had to make some edits in the other crates because a Keypair now holds PubkeyAffine as the public key type rather than Pubkey, so I added manual conversions, but this should be quite straightforward.

Fixes #

[mergify]

The Firedancer team maintains a line-for-line reimplementation of the
native programs, and until native programs are moved to BPF, those
implementations must exactly match their Agave counterparts.
If this PR represents a change to a native program implementation (not
tests), please include a reviewer from the Firedancer team. And please
keep refactors to a minimum.

[codecov-commenter]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 82.5%. Comparing base (386c635) to head (f3cb903).
⚠️ Report is 3 commits behind head on master.

Additional details and impacted files

@@           Coverage Diff            @@
##           master    #9967    +/-   ##
========================================
  Coverage    82.5%    82.5%            
========================================
  Files         846      844     -2     
  Lines      316799   316352   -447     
========================================
- Hits       261573   261205   -368     
+ Misses      55226    55147    -79     

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