chore(release): publish [skip ci]

- @ohif/extension-vtk@1.3.4
 - @ohif/core@2.6.3
 - @ohif/viewer@3.8.7

platform/viewer/package.json

@@ -1,6 +1,6 @@
 {
   "name": "@ohif/viewer",
-  "version": "3.8.6",
+  "version": "3.8.7",
   "description": "OHIF Viewer",
   "author": "OHIF Contributors",
   "license": "MIT",
@@ -48,14 +48,14 @@
   },
   "dependencies": {
     "@babel/runtime": "^7.5.5",
-    "@ohif/core": "^2.6.2",
+    "@ohif/core": "^2.6.3",
     "@ohif/extension-cornerstone": "^2.5.0",
     "@ohif/extension-dicom-html": "^1.1.1",
     "@ohif/extension-dicom-microscopy": "^0.50.7",
     "@ohif/extension-dicom-pdf": "^1.0.2",
     "@ohif/extension-dicom-segmentation": "^0.1.0",
     "@ohif/extension-lesion-tracker": "^0.2.0",
-    "@ohif/extension-vtk": "^1.3.3",
+    "@ohif/extension-vtk": "^1.3.4",
     "@ohif/i18n": "^0.52.7",
     "@ohif/ui": "^1.4.1",
     "@tanem/react-nprogress": "^1.1.25",