chore(deps): bump through2 from 2.0.5 to 4.0.2

Bumps [through2](https://github.com/rvagg/through2) from 2.0.5 to 4.0.2.
- [Release notes](https://github.com/rvagg/through2/releases)
- [Commits](rvagg/through2@v2.0.5...v4.0.2)

---
updated-dependencies:
- dependency-name: through2
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

packages/taro-cli/package.json

@@ -119,7 +119,7 @@
     "stylelint": "13.6.1",
     "tapable": "^1.1.3",
     "taro-css-to-react-native": "^2.0.4",
-    "through2": "^2.0.3",
+    "through2": "^4.0.2",
     "vinyl": "^2.1.0",
     "vinyl-fs": "^3.0.2",
     "xml2js": "^0.4.19",