chore(deps): update dependency @fastify/cors to v9 (#150)

Co-authored-by: renovate[bot] <29139614+renovate[bot]@users.noreply.github.com>

Author: renovate[bot]

backend/package.json

@@ -35,7 +35,7 @@
 		"@fastify/accepts-serializer": "^5.2.0",
 		"@fastify/autoload": "^5.8.0",
 		"@fastify/cookie": "^9.2.0",
-		"@fastify/cors": "^8.4.1",
+		"@fastify/cors": "^9.0.0",
 		"@fastify/etag": "^5.0.0",
 		"@fastify/formbody": "^7.4.0",
 		"@fastify/helmet": "^11.1.1",