chore: reqwest's features can be specified by app #15

Job	Run time
build (windows-latest, 1.80.0)	1m 25s
build (windows-latest, stable)	3m 26s
build (windows-latest, nightly)	1m 47s
build (ubuntu-latest, nightly)	49s
build (macos-latest, 1.80.0)	22s
build (macos-latest, stable)	22s
build (ubuntu-latest, 1.80.0)	16s
build (macos-latest, nightly)	1m 12s
build (ubuntu-latest, stable)	14s
	9m 53s

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