refactor: consolidate usage of kms and crypto into a wrapper package

[Moopli]

A few exceptions remain, as they're used by downstream projects. These are now deprecated, with replacements provided that use the new wrapper api.

[codecov-commenter]

Codecov Report

Patch coverage: 72.52% and project coverage change: -0.79% ⚠️

Comparison is base (9a6d6c1) 85.66% compared to head (aed3558) 84.87%.
Report is 1 commits behind head on main.

Additional details and impacted files

@@            Coverage Diff             @@
##             main      #21      +/-   ##
==========================================
- Coverage   85.66%   84.87%   -0.79%     
==========================================
  Files          72       72              
  Lines        8330     8325       -5     
==========================================
- Hits         7136     7066      -70     
- Misses        942     1001      +59     
- Partials      252      258       +6     

Files Changed	Coverage Δ
internal/testutil/signatureutil/utils.go	100.00% <ø> (ø)
dataintegrity/suite/ecdsa2019/ecdsa2019.go	82.95% <44.44%> (-10.23%)	⬇️
...rnal/testutil/signatureutil/internal/signer/rsa.go	62.68% <56.00%> (ø)
...al/testutil/signatureutil/internal/signer/ecdsa.go	59.40% <64.00%> (ø)
signature/verifier/public_key_verifier.go	84.47% <72.09%> (-5.86%)	⬇️
...til/signatureutil/internal/signer/crypto_signer.go	75.00% <75.00%> (ø)
.../testutil/signatureutil/internal/signer/ed25519.go	63.33% <76.92%> (ø)
internal/testutil/signatureutil/signer.go	83.87% <83.87%> (ø)
signature/suite/suite_crypto.go	60.00% <100.00%> (-26.67%)	⬇️
verifiable/common.go	79.21% <100.00%> (+0.85%)	⬆️
... and 1 more

☔ View full report in Codecov by Sentry.
📢 Have feedback on the report? Share it here.