Fix incorrect matrix positions for RGB LEDs (#20082)

keyboards/keebio/sinc/rev3/info.json

@@ -165,9 +165,9 @@
             { "flags": 4, "matrix": [10, 3], "x": 176, "y": 64 },
             { "flags": 4, "matrix": [10, 4], "x": 188, "y": 64 },
             { "flags": 2, "x": 194, "y": 64 },
-            { "flags": 4, "matrix": [10, 5], "x": 200, "y": 64 },
+            { "flags": 4, "matrix": [10, 6], "x": 200, "y": 64 },
-            { "flags": 4, "matrix": [10, 6], "x": 212, "y": 64 },
+            { "flags": 4, "matrix": [10, 7], "x": 212, "y": 64 },
-            { "flags": 4, "matrix": [10, 7], "x": 224, "y": 64 },
+            { "flags": 4, "matrix": [10, 8], "x": 224, "y": 64 },
             { "flags": 2, "x": 224, "y": 55 }
           ]
     }