update json-languageservice to 4.0.0-next.2 (#331964)

* update json-languageservice to 4.0.0-next.2

* remove jsonc-parser dependency

Author: aeschli

extensions/json-language-features/server/package-lock.json

@@ -14,9 +14,8 @@
   "main": "./out/node/jsonServerMain",
   "dependencies": {
     "@vscode/l10n": "^0.0.18",
-    "jsonc-parser": "^4.0.0-next.1",
     "request-light": "^0.8.0",
-    "vscode-json-languageservice": "^6.0.0-next.2",
+    "vscode-json-languageservice": "^6.0.0-next.3",
     "vscode-languageserver": "^10.0.0-next.18",
     "vscode-uri": "^3.1.0"
   },