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>

Author: dependabot[bot]

package.json

@@ -31,7 +31,7 @@
   "dependencies": {
     "@goto-bus-stop/common-shake": "^2.3.0",
     "convert-source-map": "^1.5.1",
-    "through2": "^2.0.3",
+    "through2": "^4.0.2",
     "transform-ast": "^2.4.3",
     "wrap-comment": "^1.0.1"
   },