Fix clippy suggestions due to missing lifetime annotations

[Robbepop]

No description provided.

[codecov]

Codecov Report

Attention: Patch coverage is 0% with 5 lines in your changes missing coverage. Please review.

Project coverage is 72.29%. Comparing base (8fea281) to head (50097b1).
Report is 1 commits behind head on main.

Files with missing lines	Patch %	Lines
crates/fuzz/src/oracle/exports.rs	0.00%	5 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main    #1556      +/-   ##
==========================================
- Coverage   72.29%   72.29%   -0.01%     
==========================================
  Files         179      179              
  Lines       16321    16321              
==========================================
- Hits        11800    11799       -1     
- Misses       4521     4522       +1     

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