chore(release): publish [skip ci]

- @ohif/extension-vtk@0.53.3
 - @ohif/viewer@2.6.4

platform/viewer/package.json

@@ -1,6 +1,6 @@
 {
   "name": "@ohif/viewer",
-  "version": "2.6.3",
+  "version": "2.6.4",
   "description": "OHIF Viewer",
   "author": "OHIF Contributors",
   "license": "MIT",
@@ -50,7 +50,7 @@
     "@ohif/extension-dicom-html": "^1.0.1",
     "@ohif/extension-dicom-microscopy": "^0.50.6",
     "@ohif/extension-dicom-pdf": "^1.0.0",
-    "@ohif/extension-vtk": "^0.53.2",
+    "@ohif/extension-vtk": "^0.53.3",
     "@ohif/i18n": "^0.52.0",
     "@ohif/ui": "^0.60.1",
     "@tanem/react-nprogress": "^1.1.25",