Release v2.3.1 #787

Job	Run time
Test compiling (arduino:avr:uno)	2m 37s
Test compiling (arduino:sam:arduino_due_x)	50s
Test compiling (arduino:avr:mega)	1m 4s
Test compiling (arduino:avr:leonardo)	25s
Test compiling (arduino:samd:nano_33_iot)	1m 6s
Test compiling (adafruit:samd:adafruit_metro_m4)	1m 45s
Test compiling (esp32:esp32:esp32doit-devkit-v1)	4m 24s
Test compiling (esp32:esp32:esp32s2)	2m 46s
Test compiling (esp32:esp32:esp32s3)	3m 47s
Test compiling (STMicroelectronics:stm32:GenF1:pnum=BLUEPILL_F103C8)	3m 38s
Test compiling (STMicroelectronics:stm32:Nucleo_64:pnum=NUCLEO_F411RE)	9m 16s
Test compiling (STMicroelectronics:stm32:GenF4:pnum=GENERIC_F405RGTX)	3m 12s
Test compiling (STMicroelectronics:stm32:GenL4:pnum=GENERIC_L475RGTX)	8m 42s
Test compiling (STMicroelectronics:stm32:Disco:pnum=B_G431B_ESC1)	1m 45s
Test compiling (arduino:mbed_rp2040:pico)	1m 13s
	46m 30s

Provide feedback