update clippy for 1.78

[gftea]

No description provided.

[codecov]

Codecov Report

Attention: Patch coverage is 75.00000% with 2 lines in your changes are missing coverage. Please review.

Project coverage is 86.35%. Comparing base (f40ecfe) to head (f9134cc).
Report is 6 commits behind head on main.

Files	Patch %	Lines
amqp_serde/src/ser.rs	75.00%	2 Missing ⚠️

Additional details and impacted files

@@            Coverage Diff             @@
##             main     #129      +/-   ##
==========================================
+ Coverage   86.30%   86.35%   +0.05%     
==========================================
  Files          40       40              
  Lines        6308     6318      +10     
==========================================
+ Hits         5444     5456      +12     
+ Misses        864      862       -2     

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