Add second encoder to matrix info of arrowmechanics/wings (#23390)

keyboards/arrowmechanics/wings/keyboard.json

@@ -237,7 +237,7 @@
                 {"matrix": [1, 7], "x": 7.25, "y": 1.15},
                 {"matrix": [1, 8], "x": 8.25, "y": 1.15, "encoder": 0},
 
-                {"matrix": [7, 0], "x": 9.45, "y": 1.15},
+                {"matrix": [7, 0], "x": 9.45, "y": 1.15, "encoder": 1},
                 {"matrix": [7, 1], "x": 10.45, "y": 1.15},
                 {"matrix": [7, 2], "x": 11.45, "y": 1.08},
                 {"matrix": [7, 3], "x": 12.45, "y": 1},