feat: integrate MCP and ES3C28P audio support with upstream compatibility updates

Libraries/QRCode/src/qrcode.h

@@ -38,9 +38,11 @@
 #define __QRCODE_H_
 
 #ifndef __cplusplus
-typedef unsigned char bool;
-static const bool false = 0;
-static const bool true = 1;
+#if (defined(__STDC_VERSION__) && __STDC_VERSION__ >= 202311L)
+// C23 has bool, true, false as standard keywords
+#else
+#include <stdbool.h>
+#endif
 #endif
 
 #include <stdint.h>