chore: bump STM32 version to 1.3.0

Author: fpistm

src/STM32RTC.h

@@ -50,7 +50,7 @@
  * @brief STM32 RTC library version number
  */
 #define STM32_RTC_VERSION_MAJOR    (0x01U) /*!< [31:24] major version */
-#define STM32_RTC_VERSION_MINOR    (0x02U) /*!< [23:16] minor version */
+#define STM32_RTC_VERSION_MINOR    (0x03U) /*!< [23:16] minor version */
 #define STM32_RTC_VERSION_PATCH    (0x00U) /*!< [15:8]  patch version */
 /*
  * Extra label for development: