Add dynamic type support to product tags input

Author: rachelmcr

WooCommerce/Classes/ViewRelated/Products/Edit Product/Edit Tags/ProductTagsViewController.swift

@@ -131,6 +131,7 @@ private extension ProductTagsViewController {
         textView.autocorrectionType = .yes
         textView.autocapitalizationType = .none
         textView.font = .body
+        textView.adjustsFontForContentSizeCategory = true
         textView.textColor = .text
         textView.isScrollEnabled = false
         // Padding already provided by readable margins