build(deps): bump fastify-multipart from 3.3.1 to 5.3.1 (#170)

Bumps [fastify-multipart](https://github.com/fastify/fastify-multipart) from 3.3.1 to 5.3.1.
- [Release notes](https://github.com/fastify/fastify-multipart/releases)
- [Commits](fastify/fastify-multipart@v3.3.1...v5.3.1)

---
updated-dependencies:
- dependency-name: fastify-multipart
  dependency-type: direct:production
...

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

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

package.json

@@ -36,7 +36,7 @@
     "dot": "^1.1.3",
     "dotenv": "^8.2.0",
     "fastify-cookie": "^5.1.0",
-    "fastify-multipart": "^3.3.1",
+    "fastify-multipart": "^5.3.1",
     "fastify-session": "^5.2.1",
     "fastify-swagger": "^4.0.1",
     "jose": "^2.0.3",