4.3.1

@dmazzella

What's Changed

Get the status of the display. by @dmazzella in #1036
Arduino H7 Video + LVGL 9.x: Remove unused buffer by @leonardocavagnis in #1050
STM32H747_System: remove unused variable by @pennam in #1046
feat: Opta pin names to match serigraphy by @zfields in #1044
SocketHelpers: ping, fix build for generic M4 by @pennam in #1034
Ping: Expose timeout to interfaces by @megacct in #1038
Update MbedClient.cpp fix readSocket osPriority and name the thread by @megacct in #1039
I2CSlave: fix slave write regression by @pennam in #1055
openamp: add mbed_giga architecture by @pennam in #1057
Opta Add MCUboot library by @pennam in #1054
GSM patches to allow retries if connection fails by @pennam in #1053
fix transport_script path expansion by @pennam in #1060
QSPIFormat: default partition scheme by @pennam in #1058
Wire: I2CSlave: move out slave->read from critical section by @pennam in #1061
QSPIFormat: add function to restore memory mapped firmware by @pennam in #1062

Full Changelog: 4.2.4...4.3.1