fix: correct docs path for references #1092

Job	Run time
format	23s
test (async-std-surf)	3m 42s
clippy-codegen	26s
clippy (async-std-surf)	1m 3s
test (tokio-hyper)	4m 0s
clippy (tokio-hyper)	1m 8s
test (tokio-hyper-rustls)	3m 41s
verify-codegen	56s
clippy (tokio-hyper-rustls)	1m 24s
test (tokio-hyper-rustls-webpki)	3m 40s
test (blocking)	3m 56s
clippy (tokio-hyper-rustls-webpki)	1m 1s
clippy (blocking)	56s
test (blocking-rustls)	3m 58s
clippy (blocking-rustls)	51s
test (blocking-rustls-webpki)	3m 38s
clippy (blocking-rustls-webpki)	58s
	35m 41s

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