fix: 1 RTC vector for both HAL IRQHandler Alarm and WakeUpTimer

[ABOSTM]

fix: 1 RTC vector for both HAL IRQHandler Alarm and WakeUpTimer

Sometimes, both HAL IRQ handler should be call from RTC vector

• HAL_RTC_AlarmIRQHandler()
• HAL_RTCEx_WakeUpTimerIRQHandler()

Fixes #78