deps(vscode): bump @types/vscode in /src/vscode-reactor

Bumps [@types/vscode](https://github.com/DefinitelyTyped/DefinitelyTyped/tree/HEAD/types/vscode) from 1.118.0 to 1.120.0.
- [Release notes](https://github.com/DefinitelyTyped/DefinitelyTyped/releases)
- [Commits](https://github.com/DefinitelyTyped/DefinitelyTyped/commits/HEAD/types/vscode)

---
updated-dependencies:
- dependency-name: "@types/vscode"
  dependency-version: 1.120.0
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

Author: dependabot[bot]

src/vscode-reactor/package-lock.json

@@ -37,7 +37,7 @@
     "watch": "tsc -watch -p ./"
   },
   "devDependencies": {
-    "@types/vscode": "^1.118.0",
+    "@types/vscode": "^1.120.0",
     "@types/node": "^25.8.0",
     "typescript": "^6.0.3"
   }