Add tar-stream as dev dependency

Author: koesie10

extensions/ql-vscode/package-lock.json

@@ -1421,6 +1421,7 @@
     "proxyquire": "~2.1.3",
     "sinon": "~14.0.0",
     "sinon-chai": "~3.5.0",
+    "tar-stream": "^2.2.0",
     "through2": "^4.0.2",
     "ts-jest": "^29.0.1",
     "ts-json-schema-generator": "^1.1.2",