a try to fix the stm version to 2.2.0

Author: askuric

.github/workflows/ccpp.yml

@@ -19,7 +19,7 @@ jobs:
           - STMicroelectronics:stm32:GenF1:pnum=BLUEPILL_F103C8   # stm32 bluepill
           - STMicroelectronics:stm32:Nucleo_64:pnum=NUCLEO_F411RE # stm32 nucleo
           - STMicroelectronics:stm32:GenF4:pnum=GENERIC_F405RGTX  # stm32f405 - odrive
-          - STMicroelectronics:stm32:Disco:pnum=B_G431B_ESC1      # B-G431-ESC1
+          - STMicroelectronics:stm32@2.2.0:Disco:pnum=B_G431B_ESC1      # B-G431-ESC1
           - arduino:mbed_rp2040:pico                 # rpi pico
 
         include:
@@ -59,7 +59,7 @@ jobs:
             platform-url:  https://github.com/stm32duino/BoardManagerFiles/raw/main/package_stmicroelectronics_index.json 
             sketch-names: bluepill_position_control.ino, stm32_i2c_dual_bus_example.ino, stm32_spi_alt_example.ino
 
-          - arduino-boards-fqbn: STMicroelectronics:stm32:Disco:pnum=B_G431B_ESC1      # B-G431-ESC1
+          - arduino-boards-fqbn: STMicroelectronics:stm32@2.2.0:Disco:pnum=B_G431B_ESC1      # B-G431-ESC1
             platform-url:  https://github.com/stm32duino/BoardManagerFiles/raw/main/package_stmicroelectronics_index.json 
             sketch-names: B_G431B_ESC1.ino
             build-properties: