chore(release): publish [skip ci]

- @ohif/extension-vtk@1.3.9
 - @ohif/core@2.6.8
 - @ohif/ui@1.4.2
 - @ohif/viewer@3.8.17

platform/ui/package.json

@@ -1,6 +1,6 @@
 {
   "name": "@ohif/ui",
-  "version": "1.4.1",
+  "version": "1.4.2",
   "description": "A set of React components for Medical Imaging Viewers",
   "author": "OHIF Contributors",
   "license": "MIT",