fix: rust verifier performance

[1-leo]

after some digging i found that the problem is that using k256 in wasm works but every 256 multiplication is emulated.
Switching to secp256k1 (uses the c code from bitcoin) is about 2x on native.
So i suggest we use the web bridge from @nogringo , that way we have better access to the hardware and use secp256k1 on native platforms

[codecov]

Codecov Report

✅ All modified and coverable lines are covered by tests.
✅ Project coverage is 75.15%. Comparing base (3d4e3a5) to head (8d2759d).
⚠️ Report is 10 commits behind head on master.

Additional details and impacted files

@@           Coverage Diff           @@
##           master     #432   +/-   ##
=======================================
  Coverage   75.15%   75.15%           
=======================================
  Files         144      144           
  Lines        5755     5755           
=======================================
  Hits         4325     4325           
  Misses       1430     1430           

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