chore(deps): bump express from 4.21.2 to 5.1.0 in /examples/oauth-v2 (#2219)

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

Author: dependabot[bot]

examples/oauth-v2/package.json

@@ -13,7 +13,7 @@
     "@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",
     "keyv": "^5.0.1"
   }
 }