add fastify explictly

Author: joshunrau

apps/api/package.json

@@ -43,6 +43,7 @@
     "@prisma/client": "catalog:",
     "axios": "catalog:",
     "express": "^5.0.1",
+    "fastify": "^5.7.1",
     "lodash-es": "workspace:lodash-es__4.x@*",
     "mongodb": "^6.15.0",
     "msgpackr": "catalog:",