Build(deps-dev): Bump vue-multiselect from 3.0.0 to 3.1.0

Bumps [vue-multiselect](https://github.com/shentao/vue-multiselect) from 3.0.0 to 3.1.0.
- [Release notes](https://github.com/shentao/vue-multiselect/releases)
- [Commits](shentao/vue-multiselect@v3.0.0...v3.1.0)

---
updated-dependencies:
- dependency-name: vue-multiselect
  dependency-type: direct:development
  update-type: version-update:semver-minor
...

Signed-off-by: dependabot[bot] <support@github.com>

package.json

@@ -128,7 +128,7 @@
     "vue-eslint-parser": "^9.4.2",
     "vue-loader": "^15.10.1",
     "vue-material-design-icons": "^5.3.1",
-    "vue-multiselect": "^3.0.0",
+    "vue-multiselect": "^3.1.0",
     "vue-template-compiler": "^2.7.16",
     "vue2-datepicker": "^3.11.0",
     "webpack": "^5.94.0",