Vagrant images: prepare for fedora 42 and fix rawhide

[flo-renaud]

• The base image for Rawhide has been renamed and contains . instead of - for instance
  Fedora-Cloud-Base-Vagrant-VirtualBox-Rawhide-20250325.n.0.x86_64.vagrant.virtualbox.box

• Prepare for f42 image, add variables and config file

Summary by Sourcery

Prepare Vagrant image configuration for Fedora 42 and update Rawhide image handling

New Features:

• Add configuration for Fedora 42 Vagrant box
• Introduce a new variables file for Fedora 42

Enhancements:

• Update box download pattern to handle new Fedora image naming conventions
• Modify Firefox package installation to use allowerasing to prevent potential conflicts

Chores:

• Update Rawhide release version
• Adjust nightly box download regex to match new image naming

[sourcery-ai]

Reviewer's Guide by Sourcery

This pull request prepares the configuration for the upcoming Fedora 42 release and fixes the Rawhide image download process due to a change in the naming convention. It also adds allowerasing to the firefox installation to prevent install failures.

No diagrams generated as the changes look simple and do not need a visual representation.

File-Level Changes

Change	Details	Files
Add support for Fedora 42 base box images.	Added a new variables file for Fedora 42, defining the release version and base box URL.	ansible/vars/fedora/42.yml
Update Rawhide configuration to use Fedora 43 and adjust the box image name.	Incremented the Fedora release version for Rawhide to 43. Modified the wget command to correctly download the Rawhide base box image, accounting for the change in naming convention (using '.' instead of '-' and a different order of fields).	ansible/vars/fedora/rawhide.yml ansible/roles/box/prepare/tasks/download_nightly_box.yml
Add allowerasing to the firefox installation to prevent install failures.	Added allowerasing: true to the dnf task installing firefox.	ansible/roles/machine/setup/tasks/install_packages.yml

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[sourcery-ai]

Hey @flo-renaud - I've reviewed your changes - here's some feedback:

Overall Comments:

• Consider using the get_url module instead of shell with wget for downloading the box image.
• It might be good to add a comment explaining why allowerasing is needed when installing firefox.

Here's what I looked at during the review

• 🟢 General issues: all looks good
• 🟢 Security: all looks good
• 🟢 Testing: all looks good
• 🟢 Complexity: all looks good
• 🟢 Documentation: all looks good

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[flo-renaud]

Used to create the new box https://portal.cloud.hashicorp.com/services/vagrant/registries/freeipa/boxes/ci-master-f42
Box tested in PR freeipa/freeipa#7749

[flo-renaud]

Used to create the new box https://portal.cloud.hashicorp.com/services/vagrant/registries/freeipa/boxes/ci-master-frawhide/versions/0.9.1
Box tested in flo-renaud/freeipa#82

[flo-renaud]

Now that fedora 42 is officially available, the download path for Cloud Base image has been updated (it was using 42_Beta)

[flo-renaud]

The vagrant boxes generated with this PR have been put in use in PRCI.