runtime-sdk: Bump k256 to 0.13.1

[kostko]

No description provided.

[codecov]

Codecov Report

Merging #1426 (c53dab7) into main (23eb399) will decrease coverage by 0.16%.
The diff coverage is 71.92%.

@@            Coverage Diff             @@
##             main    #1426      +/-   ##
==========================================
- Coverage   57.70%   57.54%   -0.16%     
==========================================
  Files         134      134              
  Lines        9629     9636       +7     
==========================================
- Hits         5556     5545      -11     
- Misses       4031     4049      +18     
  Partials       42       42              

Files Changed	Coverage Δ
runtime-sdk/src/crypto/signature/mod.rs	70.89% <ø> (-0.85%)	⬇️
runtime-sdk/src/crypto/signature/digests.rs	22.85% <30.76%> (-55.41%)	⬇️
...-sdk/modules/evm/src/precompile/standard/simple.rs	82.53% <72.72%> (-3.91%)	⬇️
runtime-sdk/modules/evm/src/raw_tx.rs	91.17% <76.47%> (+4.93%)	⬆️
contract-sdk/crypto/src/ecdsa.rs	95.23% <100.00%> (+5.23%)	⬆️
runtime-sdk/modules/evm/src/signed_call.rs	92.75% <100.00%> (+0.21%)	⬆️
runtime-sdk/src/crypto/signature/secp256k1.rs	67.60% <100.00%> (-0.45%)	⬇️