chore: bump fastify from 3.29.0 to 5.7.3

Bumps [fastify](https://github.com/fastify/fastify) from 3.29.0 to 5.7.3.
- [Release notes](https://github.com/fastify/fastify/releases)
- [Commits](fastify/fastify@v3.29.0...v5.7.3)

---
updated-dependencies:
- dependency-name: fastify
  dependency-version: 5.7.3
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

package-lock.json

@@ -101,7 +101,7 @@
     "@stdlib/process": "^0.3.3",
     "@stdlib/string": "^0.3.3",
     "@stdlib/utils": "^0.3.3",
-    "fastify": "^3.29.4",
+    "fastify": "^5.7.3",
     "ignore-styles": "^5.0.1",
     "lunr": "^2.3.9",
     "prop-types": "^15.8.1",