chore(deps): bump select2 from 4.0.6-rc.1 to 4.0.6 (#51)

Bumps [select2](https://github.com/select2/select2) from 4.0.6-rc.1 to 4.0.6.
- [Release notes](https://github.com/select2/select2/releases)
- [Changelog](https://github.com/select2/select2/blob/develop/CHANGELOG.md)
- [Commits](select2/select2@4.0.6-rc.1...4.0.6)

---
updated-dependencies:
- dependency-name: select2
  dependency-type: direct:production
...

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Author: dependabot[bot]

package-lock.json

@@ -84,7 +84,7 @@
     "redux-logger": "^3.0.6",
     "redux-promise-middleware": "^4.3.0",
     "redux-thunk": "^2.2.0",
-    "select2": "^4.0.6-rc.1",
+    "select2": "^4.0.6",
     "slideout": "^1.0.1",
     "sockjs-client": "^1.6.1",
     "sticky-kit": "^1.1.3",