build(deps): bump express and @types/express (#2782)

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

Author: dependabot[bot]

packages/backend/package.json

@@ -114,7 +114,7 @@
     "@huggingface/gguf": "^0.3.2",
     "@huggingface/hub": "^2.6.10",
     "ai": "^5.0.60",
-    "express": "^4.21.2",
+    "express": "^5.1.0",
     "express-openapi-validator": "^5.6.0",
     "isomorphic-git": "^1.34.0",
     "js-yaml": "^4.1.0",
@@ -133,7 +133,7 @@
     "@ai-sdk/provider": "^2.0.0",
     "@ai-sdk/provider-utils": "^3.0.0",
     "@rollup/plugin-replace": "^6.0.2",
-    "@types/express": "^4.17.21",
+    "@types/express": "^5.0.3",
     "@types/js-yaml": "^4.0.9",
     "@types/mustache": "^4.2.6",
     "@types/node": "^22",