Keyboard: add missing control btns to uppercase (#34344)

* add-slash-to uppercase

* Trigger UI preview workflow

selfdrive/ui/qt/widgets/keyboard.cc

@@ -116,7 +116,7 @@ Keyboard::Keyboard(QWidget *parent) : QFrame(parent) {
     {"Q", "W", "E", "R", "T", "Y", "U", "I", "O", "P"},
     {"A", "S", "D", "F", "G", "H", "J", "K", "L"},
     {"↓", "Z", "X", "C", "V", "B", "N", "M", BACKSPACE_KEY},
-    {"123", "  ", ".", ENTER_KEY},
+    {"123", "/", "-", "  ", ".", ENTER_KEY},
   };
   main_layout->addWidget(new KeyboardLayout(this, uppercase));