locale: Update Catalan and Spanish translations (#19296)

src/locale/lang/ca.js

@@ -106,14 +106,14 @@ export default {
       hasCheckedFormat: '{checked}/{total} seleccionats'
     },
     image: {
-      error: 'FAILED' // to be translated
+      error: 'HA FALLAT'
     },
     pageHeader: {
-      title: 'Back' // to be translated
+      title: 'Tornar'
     },
     popconfirm: {
-      confirmButtonText: 'Yes', // to be translated
-      cancelButtonText: 'No' // to be translated
+      confirmButtonText: 'Si',
+      cancelButtonText: 'No'
     }
   }
 };

src/locale/lang/es.js

@@ -112,8 +112,8 @@ export default {
       title: 'Volver'
     },
     popconfirm: {
-      confirmButtonText: 'Yes', // to be translated
-      cancelButtonText: 'No' // to be translated
+      confirmButtonText: 'Si',
+      cancelButtonText: 'No'
     }
   }
 };