fix(deps): update dependency zod to v3.25.76 (#1138)

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

Author: renovate[bot]

backend/package.json

@@ -50,7 +50,7 @@
     "pg": "8.16.3",
     "reflect-metadata": "0.2.2",
     "rxjs": "7.8.2",
-    "zod": "3.24.3"
+    "zod": "3.25.76"
   },
   "devDependencies": {
     "@fastify/static": "8.2.0",