RP2040: Bump Pico Core up to 3.8.0 #300

Job	Run time
build (esp8266:esp8266:nodemcuv2)	2m 27s
build (esp32:esp32:esp32:PartitionScheme=min_spiffs)	4m 41s
build (esp32:esp32:esp32s2)	6m 22s
build (esp32:esp32:esp32s3)	10m 45s
build (esp32:esp32:esp32c3)	6m 30s
build (esp32:esp32:esp32c6)	9m 11s
build (esp32:esp32:esp32h2)	4m 24s
build (STM32:stm32:Nucleo_64)	2m 59s
build (STMicroelectronics:stm32:GenF1)	3m 10s
build (STMicroelectronics:stm32:GenWL)	3m 16s
build (raspberry)	50s
build (energia:cc13xx:LAUNCHXL_CC1310)	3m 35s
build (CubeCell:CubeCell:CubeCell-GPS)	6m 10s
build (CubeCell:CubeCell:CubeCell-Board-PRO)	5m 55s
build (adafruit:nrf52:pca10056)	4m 30s
build (arduino:samd:mzero_bl)	3m 37s
build (arduino:avr:mega)	1m 1s
build (arduino:renesas_uno:minima)	3m 26s
build (arduino:renesas_uno:unor4wifi)	3m 47s
build (rp2040:rp2040:generic)	4m 7s
build (rp2040:rp2040:rpipicow)	6m 24s
build (arduino:mbed_rp2040:pico)	3m 57s
build (SiliconLabs:silabs:thingplusmatter_ble)	4m 9s
	1h 45m 13s

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