Fix lints that trigger clippy 0.1.66

[mzabaluev]

No description provided.

[codecov-commenter]

Codecov Report

Merging #1253 (0981e00) into main (560c852) will increase coverage by 0.0%.
The diff coverage is 68.1%.

❗ Current head 0981e00 differs from pull request most recent head f3d4229. Consider uploading reports for the commit f3d4229 to get more accurate results

@@          Coverage Diff          @@
##            main   #1253   +/-   ##
=====================================
  Coverage   64.4%   64.4%           
=====================================
  Files        245     245           
  Lines      21581   21582    +1     
=====================================
+ Hits       13917   13920    +3     
+ Misses      7664    7662    -2     

Impacted Files	Coverage Δ
light-client/src/builder/light_client.rs	0.0% <0.0%> (ø)
p2p/src/secret_connection.rs	86.7% <0.0%> (ø)
proto/src/serializers/txs.rs	64.5% <0.0%> (ø)
tendermint/src/public_key.rs	72.7% <50.0%> (ø)
proto/src/serializers/bytes.rs	52.6% <66.6%> (ø)
testgen/src/tester.rs	68.7% <66.6%> (ø)
config/tests/mod.rs	99.4% <100.0%> (ø)
rpc/src/client/transport/mock.rs	88.1% <100.0%> (ø)
rpc/src/client/transport/websocket.rs	65.6% <100.0%> (ø)
rpc/src/serializers/tm_hash_base64.rs	52.1% <100.0%> (ø)
... and 4 more

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