chore(release): publish [skip ci]

- @ohif/extension-vtk@1.3.2
 - @ohif/core@2.6.1
 - @ohif/viewer@3.8.5

platform/core/package.json

@@ -1,6 +1,6 @@
 {
   "name": "@ohif/core",
-  "version": "2.6.0",
+  "version": "2.6.1",
   "description": "Generic business logic for web-based medical imaging applications",
   "author": "OHIF Core Team",
   "license": "MIT",
@@ -41,11 +41,11 @@
     "ajv": "^6.10.0",
     "dcmjs": "^0.8.3",
     "dicomweb-client": "^0.5.2",
+    "immer": "6.0.2",
     "isomorphic-base64": "^1.0.2",
     "lodash.clonedeep": "^4.5.0",
     "lodash.merge": "^4.6.1",
     "mousetrap": "^1.6.3",
-    "validate.js": "^0.12.0",
-    "immer": "6.0.2"
+    "validate.js": "^0.12.0"
   }
 }