[chore] relax rocket_okapi req to allow 0.9 #137

Job	Run time
build (--no-default-features, 1.79.0)	2m 35s
build (--no-default-features, nightly)	2m 40s
build (--features axum, 1.79.0)	2m 39s
build (--features axum, nightly)	2m 43s
build (--features hyper, 1.79.0)	2m 37s
build (--features hyper, nightly)	2m 38s
build (--features actix-web, 1.79.0)	3m 48s
build (--features actix-web, nightly)	3m 36s
build (--features warp, 1.79.0)	2m 59s
build (--features warp, nightly)	2m 56s
build (--features salvo, 1.79.0)	3m 34s
build (--features salvo, nightly)	3m 23s
build (--features tide, 1.79.0)	3m 23s
build (--features tide, nightly)	3m 10s
build (--features rocket, 1.79.0)	3m 35s
build (--features rocket, nightly)	3m 27s
build (--features api-error, 1.79.0)	2m 41s
build (--features api-error, nightly)	2m 46s
build (--features 'axum api-error', 1.79.0)	2m 40s
build (--features 'axum api-error', nightly)	2m 42s
build (--features 'hyper api-error', 1.79.0)	2m 48s
build (--features 'hyper api-error', nightly)	2m 46s
build (--features 'actix-web api-error', 1.79.0)	3m 51s
build (--features 'actix-web api-error', nightly)	3m 40s
build (--features 'warp api-error', 1.79.0)	3m 1s
build (--features 'warp api-error', nightly)	2m 58s
build (--features 'salvo api-error', 1.79.0)	3m 28s
build (--features 'salvo api-error', nightly)	3m 24s
build (--features 'tide api-error', 1.79.0)	3m 29s
build (--features 'tide api-error', nightly)	3m 17s
build (--features 'rocket api-error', 1.79.0)	3m 34s
build (--features 'rocket api-error', nightly)	3m 28s
	1h 40m 16s

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