chore(deps): bump express from 4.21.2 to 5.1.0 in /examples/oauth-v1 (#2218)

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examples/oauth-v1/package.json

@@ -17,6 +17,6 @@
     "@slack/events-api": "^3.0.1",
     "@slack/oauth": "^3.0.1",
     "@slack/web-api": "^7.3.4",
-    "express": "^4.17.1"
+    "express": "^5.1.0"
   }
 }