Fix new Clippy warnings introduced in Rust 1.68

[romac]

No description provided.

[codecov-commenter]

Codecov Report

Merging #1284 (c67944d) into main (033ed00) will increase coverage by 0.0%.
The diff coverage is 66.6%.

❗ Current head c67944d differs from pull request most recent head eda1b60. Consider uploading reports for the commit eda1b60 to get more accurate results

@@          Coverage Diff          @@
##            main   #1284   +/-   ##
=====================================
  Coverage   64.1%   64.1%           
=====================================
  Files        271     271           
  Lines      24308   24291   -17     
=====================================
- Hits       15583   15579    -4     
+ Misses      8725    8712   -13     

Impacted Files	Coverage Δ
tendermint/src/abci/request/check_tx.rs	0.0% <0.0%> (ø)
tendermint/src/abci/response/process_proposal.rs	82.5% <0.0%> (+3.9%)	⬆️
tendermint/src/node/id.rs	77.7% <ø> (ø)
config/src/config.rs	55.1% <100.0%> (+0.7%)	⬆️
tendermint/src/abci/code.rs	67.2% <100.0%> (-1.7%)	⬇️
tendermint/src/hash.rs	62.2% <100.0%> (-0.8%)	⬇️
tendermint/src/node/info.rs	42.1% <100.0%> (+5.7%)	⬆️
testgen/src/validator.rs	86.7% <0.0%> (-0.8%)	⬇️
light-client-verifier/src/types.rs	38.4% <0.0%> (+0.2%)	⬆️

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