[pungi-fedora] PR #1358: Revert two disk sizes that got accidentally bumped as versions (F41)

[Stephen Gallagher]

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

Merged pull-request:

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Revert two disk sizes that got accidentally bumped as versions (F41)
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https://pagure.io/pungi-fedora/pull-request/1358