update sidebar translations

Author: carburo

beta/src/sidebarLearn.json

@@ -98,15 +98,15 @@
               "path": "/learn/state-as-a-snapshot"
             },
             {
-              "title": "Queueing a Series of State Updates",
+              "title": "Poner en cola una serie de actualizaciones del estado",
               "path": "/learn/queueing-a-series-of-state-updates"
             },
             {
               "title": "Updating Objects in State",
               "path": "/learn/updating-objects-in-state"
             },
             {
-              "title": "Updating Arrays in State",
+              "title": "Actualizar arrays en el estado",
               "path": "/learn/updating-arrays-in-state"
             }
           ]
@@ -156,7 +156,7 @@
           ],
           "routes": [
             {
-              "title": "Referencing Values with Refs",
+              "title": "Referenciar valores con refs",
               "path": "/learn/referencing-values-with-refs"
             },
             {