src/AceTime.h: Blacklist all other platforms using ArduinoCore-API (e.g. RaspberryPi Pico) to avoid future tickets

Author: bxparks

src/AceTime.h

@@ -22,8 +22,12 @@
 // >= 1.8.10. Boards using arduino:samd <= 1.8.9 or SparkFun:samd are fine.
 #if defined(ARDUINO_ARCH_MEGAAVR)
 #error MegaAVR not supported, https://github.com/bxparks/AceTime/issues/44
+
 #elif defined(ARDUINO_ARCH_SAMD) && defined(ARDUINO_API_VERSION)
 #error SAMD21 with arduino:samd >= 1.8.10 not supported, https://github.com/bxparks/AceTime/issues/45
+
+#elif defined(ARDUINO_API_VERSION)
+#error Platforms using ArduinoCore-API not supported
 #endif
 
 #include "ace_time/common/compat.h"