1st step: Increase/resize disk from GUI console
2nd step: Extend physical drive partition and check free space with:
sudo growpart /dev/sda 3
sudo pvdisplay
sudo pvresize /dev/sda3
sudo pvdisplay
3rd step: Extend Logical volume
sudo lvdisplay
sudo lvextend -l +100%FREE /dev/ubuntu-vg/ubuntu-lv
sudo lvdisplay
4th step: Resize Filesystem
sudo resize2fs /dev/ubuntu-vg/ubuntu-lv
sudo fdisk -l