Fix CI: add ts-jest preset for TypeScript binding tests

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

Author: deftio

bindings/typescript/package.json

@@ -14,5 +14,9 @@
     "ts-jest": "^29.0.0",
     "@types/jest": "^29.0.0"
   },
+  "jest": {
+    "preset": "ts-jest",
+    "testEnvironment": "node"
+  },
   "license": "BSD-2-Clause"
 }