Update dependency fastify to ^4.9.1

[renovate]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
fastify (source)	^4.9.0 -> ^4.9.1

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Release Notes

fastify/fastify

v4.9.1

Compare Source

What's Changed

• docs(reply): specify streams content-type by @​D10f in https://github.com/fastify/fastify/pull/4337
• fix(logger): lost setBindings type in FastifyBaseLogger by @​BlackHole1 in https://github.com/fastify/fastify/pull/4346
• docs(reference): grammar and structure fixes by @​Fdawgs in https://github.com/fastify/fastify/pull/4348
• docs: example how decorators dependencies works by @​leandroandrade in https://github.com/fastify/fastify/pull/4343
• Undefined is a valid value for if set as a single hook by @​mcollina in https://github.com/fastify/fastify/pull/4351

New Contributors

• @​D10f made their first contribution in https://github.com/fastify/fastify/pull/4337

Full Changelog: fastify/fastify@v4.9.0...v4.9.1

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