fix(deps): update rust crate hyper-util to v0.1.5

[renovate]

This PR contains the following updates:

Package	Type	Update	Change
hyper-util (source)	dependencies	patch	0.1.4 -> 0.1.5

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Release Notes

hyperium/hyper-util (hyper-util)

v0.1.5

Compare Source

• Add server::graceful::GracefulShutdown helper to coordinate over many connections.
• Add server::conn::auto::Connection::into_owned() to unlink lifetime from Builder.
• Allow service module to be available with only service feature enabled.

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