Bump @vueform/multiselect from 2.6.2 to 2.6.3 in /ui (#390)

Bumps [@vueform/multiselect](https://github.com/vueform/multiselect) from 2.6.2 to 2.6.3.
- [Release notes](https://github.com/vueform/multiselect/releases)
- [Changelog](https://github.com/vueform/multiselect/blob/main/CHANGELOG.md)
- [Commits](vueform/multiselect@2.6.2...2.6.3)

---
updated-dependencies:
- dependency-name: "@vueform/multiselect"
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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ui/package.json

@@ -19,7 +19,7 @@
     "@meforma/vue-toaster": "1.3.0",
     "@popperjs/core": "2.11.8",
     "@tailwindcss/forms": "0.5.6",
-    "@vueform/multiselect": "2.6.2",
+    "@vueform/multiselect": "2.6.3",
     "axios": "1.5.1",
     "lodash": "4.17.21",
     "luxon": "3.4.3",