feat: upgrade fastify from 4.21.0 to 5.4.0

Snyk has created this PR to upgrade fastify from 4.21.0 to 5.4.0.

See this package in npm:
fastify

See this project in Snyk:
https://app.snyk.io/org/nodeshift-agg/project/53f94480-e7ae-41d2-985c-270fae345664?utm_source=github&utm_medium=referral&page=upgrade-pr

Author: snyk-bot