chore: Migrate all instances of old vuelidate to new v2 syntax

app/javascript/v3/views/auth/reset/password/Index.vue

@@ -25,13 +25,13 @@
         <form-input
           v-model.trim="credentials.email"
           name="email_address"
-          :has-error="$v.credentials.email.$error"
+          :has-error="v$.credentials.email.$error"
           :error-message="$t('RESET_PASSWORD.EMAIL.ERROR')"
           :placeholder="$t('RESET_PASSWORD.EMAIL.PLACEHOLDER')"
-          @input="$v.credentials.email.$touch"
+          @input="v$.credentials.email.$touch"
         />
         <SubmitButton
-          :disabled="$v.credentials.email.$invalid || resetPassword.showLoading"
+          :disabled="v$.credentials.email.$invalid || resetPassword.showLoading"
           :button-text="$t('RESET_PASSWORD.SUBMIT')"
           :loading="resetPassword.showLoading"
         />
@@ -47,6 +47,7 @@
 </template>
 
 <script>
+import { useVuelidate } from '@vuelidate/core';
 import { required, minLength, email } from 'vuelidate/lib/validators';
 import globalConfigMixin from 'shared/mixins/globalConfigMixin';
 import { mapGetters } from 'vuex';
@@ -58,6 +59,9 @@ import alertMixin from 'shared/mixins/alertMixin';
 export default {
   components: { FormInput, SubmitButton },
   mixins: [globalConfigMixin, alertMixin],
+  setup() {
+    return { v$: useVuelidate() };
+  },
   data() {
     return {
       credentials: { email: '' },