[pungi-fedora] PR #213: aarch64: workstation: increase disk to 8Gb as it doesn't fit

[Dennis Gilmore]

ausil merged a pull-request against the project: `pungi-fedora` that you are following.

Merged pull-request:

``
aarch64: workstation: increase disk to 8Gb as it doesn't fit
``

https://pagure.io/pungi-fedora/pull-request/213