style: make clippy happy #8

Job	Run time
Test	21s
define-matrix	6s
Formatting	4s
Clippy	57s
gotcha-test (prometheus)	25s
gotcha-test (openapi)	1m 26s
gotcha-test (prometheus openapi)	1m 20s
gotcha-test (cors)	16s
gotcha-test (prometheus cors)	20s
gotcha-test (openapi cors)	1m 10s
gotcha-test (prometheus openapi cors)	1m 17s
gotcha-test (static_files)	11s
gotcha-test (prometheus static_files)	25s
gotcha-test (openapi static_files)	1m 0s
gotcha-test (prometheus openapi static_files)	1m 16s
gotcha-test (cors static_files)	14s
gotcha-test (prometheus cors static_files)	28s
gotcha-test (openapi cors static_files)	1m 7s
gotcha-test (prometheus openapi cors static_files)	1m 18s
	13m 41s

Provide feedback