Hello DkDev
As you are aware that Av1-series retirement is announced and this series will be fully depreciated by August 31, 2024.
Ref: https://video2.skills-academy.com/en-us/azure/virtual-machines/av1-series-retirement
It is advised to use new sizes and this also helps with the transition to the new series smoothly.
Please try more appropriate Av2 offering for cloud services extended.
https://video2.skills-academy.com/en-us/azure/virtual-machines/av2-series
Hope this helps.