grpc-js-xds: Update gts dependency for compatibility with TypeScript update

Author: murgatroid99

packages/grpc-js-xds/package.json

@@ -38,7 +38,7 @@
     "@types/mocha": "^5.2.6",
     "@types/node": "^13.11.1",
     "@types/yargs": "^15.0.5",
-    "gts": "^2.0.2",
+    "gts": "^5.0.1",
     "typescript": "^4.9.5",
     "yargs": "^15.4.1"
   },