chore(deps-dev): bump select2 from 3.5.1 to 4.0.6

Bumps [select2](https://github.com/select2/select2) from 3.5.1 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@3.5.1...4.0.6)

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

Signed-off-by: dependabot[bot] <[email protected]>

package.json

@@ -95,7 +95,7 @@
         "rollup-plugin-handlebars-plus": "^0.2.5",
         "rollup-plugin-istanbul": "^2.0.1",
         "rollup-plugin-node-resolve": "^5.2.0",
-        "select2": "^3.5.1",
+        "select2": "^4.0.6",
         "text": "git+https://github.com/requirejs/text.git#2.0.16",
         "tooltip.js": "^1.3.2"
     },