Package extension with --no-dependencies

See also: microsoft/vscode-vsce#439

package.json

@@ -164,7 +164,7 @@
         "test": "node ./out/test/runTest.js",
         "report-coverage": "nyc report --reporter=html",
         "clean": "rimraf out",
-        "package": "vsce package"
+        "package": "vsce package --no-dependencies"
     },
     "devDependencies": {
         "@types/chai": "^4.2.22",