Cut and paste this URL to share the unmodified register and value:
https://regviz.com/r/stm32/stm32g0/STM32G030/RCC/IOPRSTR#0x0
I/O port reset register
GPIOARST
GPIOBRST
GPIOCRST
GPIODRST
GPIOERST
GPIOFRST
https://github.com/modm-io/cmsis-svd-stm32