[Changed password placeholder text in checkout page]

Author: hitesh-wagento

app/code/Magento/Checkout/view/frontend/web/template/form/element/email.html

@@ -39,7 +39,7 @@
                 </label>
                 <div class="control">
                     <input class="input-text"
-                           placeholder="optional"
+                           placeholder="password"
                            type="password"
                            name="password"
                            id="customer-password"