chore(l10n): update Spanish translations

Currently translated at 100.0% (75 of 75 strings)

Translation: Fossify/Notes
Translate-URL: https://hosted.weblate.org/projects/fossify/notes/es/
Via: Weblate

Author: elliecolorado

app/src/main/res/values-es/strings.xml

@@ -82,4 +82,5 @@
         <item quantity="other">%d elementos verificados</item>
     </plurals>
     <string name="use_for_this_checklist">Utilizar solamente para esta lista</string>
+    <string name="uncheck_all_items">Desmarcar todos los elementos</string>
 </resources>