tests

Fix clippy warnings #4420

Job	Run time
Clippy	1m 19s
Init	3s
Rustfmt	14s
Examples (examples/actix_example)	2m 34s
Unit Test	3m 23s
Examples (examples/axum_example)	2m 30s
Examples (examples/basic)	1m 25s
Examples (examples/graphql_example)	2m 45s
Examples (examples/jsonrpsee_example)	2m 49s
Examples (examples/poem_example)	2m 38s
Examples (examples/proxy_gluesql_example)	1m 35s
Examples (examples/rocket_example)	3m 26s
Examples (examples/rocket_okapi_example)	3m 26s
Examples (examples/salvo_example)	2m 43s
Examples (examples/seaography_example)	2m 41s
Examples (examples/tonic_example)	2m 27s
Compile PostgreSQL (tokio, native-tls)	3m 15s
Compile SQLite (async-std, native-tls)	3m 0s
Compile PostgreSQL (tokio, rustls)	3m 26s
Compile MySQL (actix, native-tls)	2m 59s
Compile SQLite (async-std, rustls)	3m 0s
CLI	0s
Compile MySQL (actix, rustls)	2m 55s
Issues Matrix	0s
Issues	0s
MariaDB (lts, actix, native-tls)	2m 52s
MySQL (lts, actix, native-tls)	3m 34s
MySQL (5.7, actix, native-tls)	3m 37s
SQLite (async-std, native-tls)	4m 55s
SQLite (async-std, rustls)	4m 37s
Postgres (14, tokio, native-tls)	7m 9s
Postgres (16, tokio, native-tls)	6m 47s
	1h 28m 4s

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