Bump vue-multiselect from 2.1.9 to 3.0.0 in /ui (#554)

Bumps [vue-multiselect](https://github.com/suadelabs/vue-multiselect) from 2.1.9 to 3.0.0.
- [Release notes](https://github.com/suadelabs/vue-multiselect/releases)
- [Commits](https://github.com/suadelabs/vue-multiselect/commits)

---
updated-dependencies:
- dependency-name: vue-multiselect
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

ui/core/package.json

@@ -59,7 +59,7 @@
     "vue-flatpickr-component": "^11.0.5",
     "vue-headful": "^2.0.1",
     "vue-moment": "^4.0.0",
-    "vue-multiselect": "^2.1.9",
+    "vue-multiselect": "^3.0.0",
     "vue-notification": "^1.3.12",
     "vue-password-strength-meter": "^1.3.2",
     "vue-pdf": "^4.3.0",

ui/wallet/package.json

@@ -51,7 +51,7 @@
     "vue-flatpickr-component": "^11.0.5",
     "vue-headful": "^2.0.1",
     "vue-moment": "^4.0.0",
-    "vue-multiselect": "^2.1.9",
+    "vue-multiselect": "^3.0.0",
     "vue-notification": "^1.3.12",
     "vue-password-strength-meter": "^1.3.2",
     "vue-pdf": "github:mchumer/vue-pdf#master",

ui/yarn.lock

@@ -11938,10 +11938,10 @@ vue-moment@^4.0.0:
   dependencies:
     moment "^2.19.2"
 
-vue-multiselect@^2.1.9:
-  version "2.1.9"
-  resolved "https://registry.yarnpkg.com/vue-multiselect/-/vue-multiselect-2.1.9.tgz#803628d5ff6c5925320930c965bdaae8934b92b1"
-  integrity sha512-nGEppmzhQQT2iDz4cl+ZCX3BpeNhygK50zWFTIRS+r7K7i61uWXJWSioMuf+V/161EPQjexI8NaEBdUlF3dp+g==
+vue-multiselect@^3.0.0:
+  version "3.0.0"
+  resolved "https://registry.yarnpkg.com/vue-multiselect/-/vue-multiselect-3.0.0.tgz#b1e779b9adf054a6941669c99bc97a0209fceac3"
+  integrity sha512-uupKdINgz7j83lQToCL7KkgQQxvG43el++hsR39YT9pCe1DwzUGmKzPxjVP6rqskXed5P6DtUASYAlCliW740Q==
 
 vue-notification@^1.3.12:
   version "1.3.20"