BTT Octopus … followup (MarlinFirmware#25495)

Followup to MarlinFirmware#25387

Author: thisiskeithb

buildroot/share/PlatformIO/variants/MARLIN_H723Zx/variant_MARLIN_STM32H723Zx.cpp renamed to buildroot/share/PlatformIO/variants/MARLIN_H723Zx/variant_MARLIN_STM32H723ZX.cpp

@@ -45,7 +45,7 @@ debug_tool         = cmsis-dap
 [env:STM32H743Vx_btt]
 extends                     = stm32_variant
 platform                    = [email protected]
-platform_packages           = [email protected]
+platform_packages           = framework-arduinoststm32@~4.20200.220530
 board                       = marlin_STM32H743Vx
 board_build.offset          = 0x20000
 board_upload.offset_address = 0x08020000
@@ -67,7 +67,7 @@ debug_tool                  = cmsis-dap
 [env:STM32H723Vx_btt]
 extends                     = stm32_variant
 platform                    = [email protected]
-platform_packages           = [email protected]
+platform_packages           = framework-arduinoststm32@~4.20200.220530
 board                       = marlin_STM32H723Vx
 board_build.offset          = 0x20000
 board_upload.offset_address = 0x08020000
@@ -93,7 +93,7 @@ debug_tool                  = cmsis-dap
 [env:STM32H723Zx_btt]
 extends                     = stm32_variant
 platform                    = [email protected]
-platform_packages           = [email protected]
+platform_packages           = framework-arduinoststm32@~4.20200.220530
 board                       = marlin_STM32H723Zx
 board_build.offset          = 0x20000
 board_upload.offset_address = 0x08020000