update typescript to 5.9.3

Note: @types/node is/was no longer working. I'm not sure where
that's coming from but I needed to add the latest in here
to get it to stop complaining about unrelated types.

Author: greggman

package-lock.json

@@ -36,5 +36,8 @@
   "dependencies": {
     "@webgpu/types": "^0.1.69",
     "debug": "^4.4.0"
+  },
+  "devDependencies": {
+    "@types/node": "^25.5.0"
   }
 }

package.json

@@ -4,7 +4,7 @@
     "test": "tsc --version && tsc"
   },
   "dependencies": {
-    "webgpu": "file:../../..",
-    "typescript": "~5.1.0"
+    "typescript": "^5.9.3",
+    "webgpu": "file:../../.."
   }
 }