Bump d3-selection from 1.4.1 to 1.4.2

Bumps [d3-selection](https://github.com/d3/d3-selection) from 1.4.1 to 1.4.2.
- [Release notes](https://github.com/d3/d3-selection/releases)
- [Commits](https://github.com/d3/d3-selection/commits)

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

package.json

@@ -27,7 +27,7 @@
     "dependencies": {
         "babel-polyfill": "6.26.0",
         "d3-scale": "3.2.1",
-        "d3-selection": "1.4.1",
+        "d3-selection": "1.4.2",
         "d3-shape": "1.3.7",
         "d3-transition": "1.3.2",
         "dateformat": "3.0.3",