chore(deps): bump @fastify/swagger from 9.3.0 to 9.4.0

Bumps [@fastify/swagger](https://github.com/fastify/fastify-swagger) from 9.3.0 to 9.4.0.
- [Release notes](https://github.com/fastify/fastify-swagger/releases)
- [Commits](fastify/fastify-swagger@v9.3.0...v9.4.0)

---
updated-dependencies:
- dependency-name: "@fastify/swagger"
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]