Bumps [vue-multiselect](https://github.com/shentao/vue-multiselect) from 2.1.4 to 2.1.6.
- [Release notes](https://github.com/shentao/vue-multiselect/releases)
- [Commits](https://github.com/shentao/vue-multiselect/compare/2.1.4...2.1.6

)

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