Update dependency select2 to v4.0.6

[renovate[bot]]

This PR contains the following updates:

Package	Type	Update	Change	References
select2	dependencies	patch	4.0.5 -> 4.0.6	homepage, source

---

Release Notes

select2/select2

### [`v4.0.6`](https://togithub.com/select2/select2/blob/master/CHANGELOG.md#​406) [Compare Source](https://togithub.com/select2/select2/compare/4.0.5...4.0.6) ##### New features/improvements - Add style property to package.json ([#​5019](https://togithub.com/select2/select2/issues/5019)) - Implement `clear` and `clearing` events ([#​5058](https://togithub.com/select2/select2/issues/5058)) - Add `scrollAfterSelect` option ([#​5150](https://togithub.com/select2/select2/issues/5150)) - Add missing diacritics ([#​4118](https://togithub.com/select2/select2/issues/4118), [#​4337](https://togithub.com/select2/select2/issues/4337), [#​5464](https://togithub.com/select2/select2/issues/5464)) ##### Bug fixes - Fix up arrow error when there are no options in dropdown ([#​5127](https://togithub.com/select2/select2/issues/5127)) - Add `;` before beginning of factory wrapper ([#​5089](https://togithub.com/select2/select2/issues/5089)) - Fix IE11 issue with select losing focus after selecting an item ([#​4860](https://togithub.com/select2/select2/issues/4860)) - Clear tooltip from `select2-selection__rendered` when selection is cleared ([#​4640](https://togithub.com/select2/select2/issues/4640), [#​4746](https://togithub.com/select2/select2/issues/4746)) - Fix keyboard not closing when closing dropdown on iOS 10 ([#​4680](https://togithub.com/select2/select2/issues/4680)) - User-defined types not normalized properly when passed in as data ([#​4632](https://togithub.com/select2/select2/issues/4632)) - Perform deep merge for `Defaults.set()` ([#​4364](https://togithub.com/select2/select2/issues/4364)) - Fix "the results could not be loaded" displaying during AJAX request ([#​4356](https://togithub.com/select2/select2/issues/4356)) - Cache objects in `Utils.__cache` instead of using `$.data` ([#​4346](https://togithub.com/select2/select2/issues/4346), [#​5486](https://togithub.com/select2/select2/issues/5486)) - Removing the double event binding registration of `selection:update` ([#​4306](https://togithub.com/select2/select2/issues/4306)) ##### Accessibility - Improve `.select2-hidden-accessible` ([#​4908](https://togithub.com/select2/select2/issues/4908)) - Add role and aria-readonly attributes to single selection dropdown value ([#​4881](https://togithub.com/select2/select2/issues/4881)) ##### Translations - Add Turkmen translations (`tk`) ([#​5125](https://togithub.com/select2/select2/issues/5125)) - Fix error in French translations ([#​5122](https://togithub.com/select2/select2/issues/5122)) - Add Albanian translation (`sq`) ([#​5199](https://togithub.com/select2/select2/issues/5199)) - Add Georgian translation (`ka`) ([#​5179](https://togithub.com/select2/select2/issues/5179)) - Add Nepali translation (`ne`) ([#​5295](https://togithub.com/select2/select2/issues/5295)) - Add Bangla translation (`bn`) ([#​5248](https://togithub.com/select2/select2/issues/5248)) - Add `removeAllItems` translation for clear "x" title ([#​5291](https://togithub.com/select2/select2/issues/5291)) - Fix wording in Vietnamese translations ([#​5387](https://togithub.com/select2/select2/issues/5387)) - Fix error in Russian translation ([#​5401](https://togithub.com/select2/select2/issues/5401)) ##### Miscellaneous - Remove duplicate CSS selector in classic theme ([#​5115](https://togithub.com/select2/select2/issues/5115))

---

Renovate configuration

:date: Schedule: "on tuesday" (UTC).

:vertical_traffic_light: Automerge: Enabled.

:recycle: Rebasing: Whenever PR becomes conflicted, or if you modify the PR title to begin with "rebase!".

:no_bell: Ignore: Close this PR and you won't be reminded about this update again.

---

• [ ] If you want to rebase/retry this PR, check this box

---

This PR has been generated by Renovate Bot. View repository job log here.