examples: correct tags for recent Arduino Uno rename

Signed-off-by: deadprogram <ron@hybridgroup.com>

Author: deadprogram

examples/ws2812/arduino.go

@@ -1,4 +1,4 @@
-//go:build arduino
+//go:build arduino || arduino_uno
 
 package main
 

examples/ws2812/others.go

@@ -1,4 +1,4 @@
-//go:build !digispark && !arduino && !xiao_esp32c3
+//go:build !digispark && !arduino_uno && !arduino && !xiao_esp32c3
 
 package main
 

smoketest.sh

@@ -93,7 +93,7 @@ tinygo build -size short -o ./build/test.bin -target=m5stamp-c3          ./examp
 tinygo build -size short -o ./build/test.hex -target=feather-nrf52840 ./examples/is31fl3731/main.go
 tinygo build -size short -o ./build/test.hex -target=arduino   ./examples/ws2812
 tinygo build -size short -o ./build/test.hex -target=digispark ./examples/ws2812
-tinygo build -size short -o ./build/test.hex -target=xiao_esp32c3 ./examples/ws2812
+tinygo build -size short -o ./build/test.hex -target=xiao-esp32c3 ./examples/ws2812
 tinygo build -size short -o ./build/test.hex -target=trinket-m0 ./examples/bme280/main.go
 tinygo build -size short -o ./build/test.hex -target=circuitplay-express ./examples/microphone/main.go
 tinygo build -size short -o ./build/test.hex -target=circuitplay-express ./examples/buzzer/main.go