[Keyboard] Fix sendyyeah/pix oled task function type (#15608)

keyboards/sendyyeah/pix/keymaps/default/keymap.c

@@ -215,7 +215,7 @@ void draw_sat_icon(int key_position, int row) {
     oled_write_P(ICON_SAT_1, false);
 }
 
-void oled_task_user(void) {
+bool oled_task_user(void) {
     // Host Keyboard Layer Status
     static const char PROGMEM ICON_LAYER[] = {0x80, 0x81, 0x82, 0x83, 0};
     static const char PROGMEM ICON_ENCODER[] = {0x84, 0x85, 0x86, 0x87, 0};

keyboards/sendyyeah/pix/keymaps/via/keymap.c

@@ -215,7 +215,7 @@ void draw_sat_icon(int key_position, int row) {
     oled_write_P(ICON_SAT_1, false);
 }
 
-void oled_task_user(void) {
+bool oled_task_user(void) {
     // Host Keyboard Layer Status
     static const char PROGMEM ICON_LAYER[] = {0x80, 0x81, 0x82, 0x83, 0};
     static const char PROGMEM ICON_ENCODER[] = {0x84, 0x85, 0x86, 0x87, 0};