chore: bump release version to 2.4.0

Signed-off-by: Frederic Pillon <[email protected]>

Author: fpistm

README.md

@@ -14,7 +14,7 @@
  * [1-9]: release candidate
  * F[0-9]: development
  */
-#define STM32_CORE_VERSION_EXTRA    (0xF0U) /*!< [7:0]  extra version */
+#define STM32_CORE_VERSION_EXTRA    (0x00U) /*!< [7:0]  extra version */
 #define STM32_CORE_VERSION          ((STM32_CORE_VERSION_MAJOR << 24U)\
                                         |(STM32_CORE_VERSION_MINOR << 16U)\
                                         |(STM32_CORE_VERSION_PATCH << 8U )\

cores/arduino/stm32/stm32_def.h

@@ -5,7 +5,7 @@
 # https://arduino.github.io/arduino-cli/latest/platform-specification/
 
 name=STM32 boards groups (Board to be selected from Tools submenu 'Board part number')
-version=2.4.0-dev
+version=2.4.0
 
 # STM compile variables
 # ----------------------