Updated expiration year placeholder text to be dynamic (#1272)

* Updated Example text to be dynamic to current year using New Date(); and then a Date pipe to display properly in the UI

* Removed change in the add-edit.component.ts file because it is now made in jslib

src/popup/vault/add-edit.component.html

@@ -100,7 +100,7 @@
                     <div class="box-content-row" appBoxRow>
                         <label for="cardExpYear">{{'expirationYear' | i18n}}</label>
                         <input id="cardExpYear" type="text" name="Card.ExpYear" [(ngModel)]="cipher.card.expYear"
-                            placeholder="{{'ex' | i18n}} 2019">
+                            placeholder="{{'ex' | i18n}} {{currentDate | date: 'yyyy'}}">
                     </div>
                     <div class="box-content-row box-content-row-flex" appBoxRow>
                         <div class="row-main">