fix: Make wind_key_event_request.pressed a boolean instead of an int to comply with upstream API memory layout

src/wind.h

@@ -3,6 +3,7 @@
 
 #include <stdint.h>
 #include <stddef.h>
+#include <stdbool.h>
 
 typedef struct wind_client_t
 {
@@ -287,7 +288,7 @@ struct wind_key_event_request
 {
     int window;
 
-    int pressed;
+    bool pressed;
 
     char letter;
     char key;