Merge pull request #11392 from akramcodez/fix/covers-webp

fix/covers webp

Author: jimchamp

openlibrary/i18n/messages.pot

@@ -5375,7 +5375,7 @@ msgid "Use this image"
 msgstr ""
 
 #: covers/add.html
-msgid "Choose a JPG, GIF or PNG on your computer"
+msgid "Choose a JPG, GIF, PNG or WebP on your computer"
 msgstr ""
 
 #: covers/add.html

openlibrary/templates/covers/add.html

@@ -46,7 +46,7 @@
 
 <form class="ol-cover-form ol-cover-form--upload" method="post" enctype="multipart/form-data" action="$action">
     <div class="label">
-        <label for="coverFile">$_("Choose a JPG, GIF or PNG on your computer")</label>
+        <label for="coverFile">$_("Choose a JPG, GIF, PNG or WebP on your computer")</label>
     </div>
     <div class="input">
         <input type="file" name="file" id="coverFile" value="" accept=".jpg, .jpeg, .gif, .png, .webp" required/>