Update to mbed core 2.2.0

[fabianoriccardi]

Hi,

the official core version 2.2.0 has been released: will you upgrade to it? https://github.com/arduino/ArduinoCore-mbed/releases/tag/2.2.0

[maxgerhardt]

Meanwhile v2.3.1 has been released. https://github.com/arduino/ArduinoCore-mbed/releases/tag/2.3.1

[valeros]

Resolved in 128a082. Please retest with the upstream version:

[env:nanorp2040connect]
platform = https://github.com/platformio/platform-raspberrypi.git
framework = arduino
board = nanorp2040connect