chore: upgrade socket.io-parser to ^4.2.7 to address CVE-2026-69185

Co-Authored-By: Claude Opus 5 (1M context) <noreply@anthropic.com>

Author: claude[bot]

yarn.lock

@@ -21835,12 +21835,12 @@ __metadata:
   linkType: hard
 
 "socket.io-parser@npm:~4.2.4":
-  version: 4.2.6
-  resolution: "socket.io-parser@npm:4.2.6"
+  version: 4.2.7
+  resolution: "socket.io-parser@npm:4.2.7"
   dependencies:
     "@socket.io/component-emitter": "npm:~3.1.0"
     debug: "npm:~4.4.1"
-  checksum: 10c0/ba0a0b541b0a8e9d02b45c04c4c93a02331be5ea3478073c65bb9ff87032f12469c9adb309728eb90c0a352618d645ab88999c167a11c783cac861d7fd35c9d1
+  checksum: 10c0/16a5579718b871114ca644d688987dd3cf9292010c949fb083633eefbc1d8fdaf424691d6511d746e5c10f5c88cbd8911cd0b1e807242159f40989be90842b4e
   languageName: node
   linkType: hard