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.
- [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>

package.json

@@ -243,7 +243,7 @@
     "tempy": "^3.1.0",
     "thenify": "^3.3.1",
     "thenify-all": "^1.6.0",
-    "through2": "^2.0.5",
+    "through2": "^4.0.2",
     "time-span": "^5.1.0",
     "to-regex-range": "^5.0.1",
     "traverse": "^0.6.8",