Bump v0.46.0

New features
============

- The new `ui:emptyValue` uiSchema directive allows having a
  field set to a default value when emptied. (rjsf-team#539)
- Pass uiSchema to custom array templates. (rjsf-team#537)
- Add sharing capability to the Playground. (rjsf-team#535)

package.json

@@ -1,6 +1,6 @@
 {
   "name": "react-jsonschema-form",
-  "version": "0.45.0",
+  "version": "0.46.0",
   "description": "A simple React component capable of building HTML forms out of a JSON schema.",
   "scripts": {
     "build:readme": "toctoc README.md -w",