Fix fuzz secp patch by bumping the rust-secp version number in patch

[TheBlueMatt]

This should fix CI.

[codecov]

Codecov Report

Merging #902 (2ef384d) into main (affefb6) will decrease coverage by 0.03%.
The diff coverage is n/a.

@@            Coverage Diff             @@
##             main     #902      +/-   ##
==========================================
- Coverage   90.39%   90.36%   -0.04%     
==========================================
  Files          57       57              
  Lines       29353    29353              
==========================================
- Hits        26535    26526       -9     
- Misses       2818     2827       +9     

Impacted Files	Coverage Δ
lightning/src/ln/functional_tests.rs	96.86% <0.00%> (-0.16%)	⬇️

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[ariard]

ACK 2ef384d