Add styled-components as a top level dependency

Author: charisk

extensions/ql-vscode/package-lock.json

@@ -1510,6 +1510,7 @@
     "@types/semver": "~7.2.0",
     "@types/stream-chain": "~2.0.1",
     "@types/stream-json": "~1.7.1",
+    "@types/styled-components": "^5.1.11",
     "@types/tar-stream": "^2.2.2",
     "@types/through2": "^2.0.36",
     "@types/tmp": "^0.1.0",