Update dependency fastify to v5.6.0 (#560)

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

Author: renovate[bot]

package.json

@@ -7,7 +7,7 @@
     "ajv": "8.17.1",
     "axios": "1.12.0",
     "eventsource": "4.0.0",
-    "fastify": "5.5.0",
+    "fastify": "5.6.0",
     "ioredis": "5.7.0",
     "mock-socket": "9.3.1",
     "pino": "9.9.5",

yarn.lock

@@ -1447,10 +1447,10 @@ fast-uri@^3.0.1:
   resolved "https://registry.npmjs.org/fast-uri/-/fast-uri-3.0.1.tgz"
   integrity sha512-MWipKbbYiYI0UC7cl8m/i/IWTqfC8YXsqjzybjddLsFjStroQzsHXkc73JutMvBiXmOvapk+axIl79ig5t55Bw==
 
-fastify@5.5.0:
-  version "5.5.0"
-  resolved "https://registry.yarnpkg.com/fastify/-/fastify-5.5.0.tgz#a1cf7bbfad7e4021f042e6f78942d3c3dd511a5d"
-  integrity sha512-ZWSWlzj3K/DcULCnCjEiC2zn2FBPdlZsSA/pnPa/dbUfLvxkD/Nqmb0XXMXLrWkeM4uQPUvjdJpwtXmTfriXqw==
+fastify@5.6.0:
+  version "5.6.0"
+  resolved "https://registry.yarnpkg.com/fastify/-/fastify-5.6.0.tgz#b94321583dd3ec617466341f7c307085af1b9475"
+  integrity sha512-9j2r9TnwNsfGiCKGYT0Voqy244qwcoYM9qvNi/i+F8sNNWDnqUEVuGYNc9GyjldhXmMlJmVPS6gI1LdvjYGRJw==
   dependencies:
     "@fastify/ajv-compiler" "^4.0.0"
     "@fastify/error" "^4.0.0"