Add allowerasing flag to dnf install

[welteki]

Fixes issues with conflicting packages that may occur on some systems.

Description

Add --allowerasing flag to dnf install.

Motivation and Context

• I have raised an issue to propose this change this is required

Fixes issues with conflicting packages that may occur on some systems.

How Has This Been Tested?

Verified the install script on Iximiuz Labs Rocky Linux Playground where this issue was discovered.

Types of changes

• Bug fix (non-breaking change which fixes an issue)
• New feature (non-breaking change which adds functionality)
• Breaking change (fix or feature that would cause existing functionality to change)

Checklist:

Commits:

• I've read the CONTRIBUTION guide
• My commit message has a body and describe how this was tested and why it is required.
• I have signed-off my commits with git commit -s for the Developer Certificate of Origin (DCO)

Code:

• My code follows the code style of this project.
• I have added tests to cover my changes.

Docs:

• My change requires a change to the documentation.
• I have updated the documentation accordingly.