chore(l10n): update Spanish (Latin America) translations

Currently translated at 8.1% (21 of 259 strings)

Translation: Fossify/Gallery
Translate-URL: https://hosted.weblate.org/projects/fossify/gallery/es_419/
Via: Weblate

Author: ambershadexd

app/src/main/res/values-b+es+419/strings.xml

@@ -20,4 +20,5 @@
     <string name="unlock_orientation">Desfijar orientación</string>
     <string name="change_orientation">Cambiar orientación</string>
     <string name="force_portrait">Forzar retrato</string>
+    <string name="thumbnails">Miniaturas</string>
 </resources>