fix: align engines.vscode with @types/vscode for packaging

Agent-Logs-Url: https://github.com/microsoft/vscode-java-pack/sessions/bf55a87c-11b6-407b-832e-309ae5ece807

Co-authored-by: chagong <831821+chagong@users.noreply.github.com>

Author: Copilot

package.json

@@ -7,7 +7,7 @@
   "publisher": "vscjava",
   "preview": false,
   "engines": {
-    "vscode": "^1.74.0"
+    "vscode": "^1.120.0"
   },
   "aiKey": "b4a8a622-6ac7-4cf8-83aa-f325e1890795",
   "icon": "logo.png",