[UE5.6] Fix failing action where we build against public deps (#697)

* Fix GHA where we build against public deps

Author: lukehb

.changeset/loud-radios-happen.md

@@ -0,0 +1,5 @@
+---
+'@epicgames-ps/lib-pixelstreamingfrontend-ue5.6': patch
+---
+
+When building the frontend library not in this repository it would fail due requiring newer node types, so these were added a dev dep.

Frontend/library/package.json

@@ -29,7 +29,8 @@
         "rimraf": "^6.0.1",
         "ts-jest": "^29.2.5",
         "typescript": "^5.7.3",
-        "typescript-eslint": "^8.24.0"
+        "typescript-eslint": "^8.24.0",
+        "@types/node": "^22.14.0"
     },
     "dependencies": {
         "@epicgames-ps/lib-pixelstreamingcommon-ue5.6": "^0.1.3",