Build(deps-dev): Bump vue-multiselect from 2.1.7 to 2.1.8

Bumps [vue-multiselect](https://github.com/shentao/vue-multiselect) from 2.1.7 to 2.1.8.
- [Release notes](https://github.com/shentao/vue-multiselect/releases)
- [Commits](shentao/vue-multiselect@v2.1.7...v2.1.8)

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

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

package.json

@@ -127,7 +127,7 @@
     "vue-eslint-parser": "^9.0.2",
     "vue-loader": "^15.10.1",
     "vue-material-design-icons": "^5.1.2",
-    "vue-multiselect": "^2.1.6",
+    "vue-multiselect": "^2.1.8",
     "vue-template-compiler": "^2.7.15",
     "vue2-datepicker": "^3.11.0",
     "webpack": "^5.72.1",