fix: model event is update instead of input since @vue/ui 0.6

Author: haoqunjiang

packages/@vue/cli-ui/src/components/app/ProjectQuickDropdown.vue

@@ -13,7 +13,7 @@
         :value="projectCurrent.favorite"
         :icon="projectCurrent.favorite ? 'star' : 'star_border'"
         class="extend-left"
-        @input="toggleCurrentFavorite()"
+        @update="toggleCurrentFavorite()"
       >
         {{ $t('org.vue.components.project-select-list-item.tooltips.favorite') }}
       </VueSwitch>

packages/@vue/cli-ui/src/components/prompt/PromptCheckbox.vue

@@ -16,7 +16,7 @@
         :value="isCheckboxSelected(choice)"
         :disabled="choice.disabled"
         class="right"
-        @input="value => asnwerCheckbox(choice, value)"
+        @update="value => asnwerCheckbox(choice, value)"
       >
         {{ $t(choice.name) }}
       </VueSwitch>

packages/@vue/cli-ui/src/components/prompt/PromptColor.vue

@@ -16,7 +16,7 @@
         <VueInput
           slot="trigger"
           :value="value(prompt.value)"
-          @input="value => answer(value)"
+          @update="value => answer(value)"
         >
           <div slot="right" class="color-preview">
             <div class="color-swatch" :style="{

packages/@vue/cli-ui/src/components/prompt/PromptConfirm.vue

@@ -6,7 +6,7 @@
     <VueSwitch
       :value="value(prompt.value)"
       class="extend-left"
-      @input="value => answer(value)"
+      @update="value => answer(value)"
     >
       <ListItemInfo
         :name="$t(prompt.message)"

packages/@vue/cli-ui/src/components/prompt/PromptInput.vue

@@ -14,7 +14,7 @@
         <VueInput
           :value="value(prompt.value)"
           :type="prompt.type === 'password' ? 'password' : 'text'"
-          @input="value => answer(value)"
+          @update="value => answer(value)"
         />
       </div>
     </div>

packages/@vue/cli-ui/src/components/prompt/PromptList.vue

@@ -13,7 +13,7 @@
       <div class="prompt-input">
         <VueSelect
           :value="value(prompt.value)"
-          @input="value => answer(value)"
+          @update="value => answer(value)"
         >
           <VueSelectButton
             v-for="(choice, index) of prompt.choices"