Update dependency express to v5

| datasource | package | from   | to    |
| ---------- | ------- | ------ | ----- |
| npm        | express | 4.21.2 | 5.1.0 |


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

Author: renovate[bot]

example/zoo/package.json

@@ -8,7 +8,7 @@
   },
   "dependencies": {
     "commander": "^13.1.0",
-    "express": "^4.21.2",
+    "express": "^5.1.0",
     "express-basic-auth": "^1.2.1",
     "lightstep-tracer": "^0.34.0",
     "opentracing": "0.14.7",