mntre_v3: fix matrix bottom row (#24077)

keyboards/mntre_v3/keyboard.json

@@ -108,12 +108,12 @@
                 {"matrix": [5, 2], "x": 2.75, "y": 5, "w": 1.5},
                 {"matrix": [5, 3], "x": 4.25, "y": 5, "w": 1.5},
                 {"matrix": [5, 4], "x": 5.75, "y": 5,"w": 2},
-                {"matrix": [5, 5], "x": 7.75, "y": 5,"w": 1.5},
-                {"matrix": [5, 6], "x": 9.25, "y": 5},
-                {"matrix": [5, 7], "x": 10.25, "y": 5},
-                {"matrix": [5, 8], "x": 11.25, "y": 5},
-                {"matrix": [5, 9], "x": 12.25, "y": 5},
-                {"matrix": [5, 10], "x": 13.25, "y": 5,"w": 1.25}
+                {"matrix": [5, 6], "x": 7.75, "y": 5,"w": 1.5},
+                {"matrix": [5, 7], "x": 9.25, "y": 5},
+                {"matrix": [5, 8], "x": 10.25, "y": 5},
+                {"matrix": [5, 9], "x": 11.25, "y": 5},
+                {"matrix": [5, 10], "x": 12.25, "y": 5},
+                {"matrix": [5, 11], "x": 13.25, "y": 5,"w": 1.25}
             ]
         }
     }