Try after clear cache from recovery mode. If still not updating then reset your device and update.. I am using same device and facing same problem so i try this method and slove the problem. Now its 1April 2022 my phone google play system. If slove this problem then plz inform me.
First power off your phone then connect your phone to pc then press the vol up and power button simultaneously untill you see the samsung logo then select wipe cache partition and then reboot
