Uplift to .Net framework 4.8

[gep13]

Description

Switch to use .NET Framework 4.8, rather than the currently targeted 4.0.

Why Is It Needed

Chocolatey CLI is moving to use .NET Framework 4.8, and checksum should be upgraded as well.

Related Issues and Tickets

• https://github.com/chocolatey/choco/issues/2738
• https://app.clickup.com/t/20540031/PROJ-435

Acceptance Tests

All tests, unit, integration, and Pester tests, all continue to work as expected.

Done Checklist

• [ ] Documentation has been updated.
• [ ] Automated tests have been added to cover this bug.
• [ ] Manual tests have been added to cover this bug.

[choco-bot]

:tada: This issue has been resolved in version 0.3.0 :tada:

The release is available on:

• GitHub Release
• Chocolatey Package

Your GitReleaseManager bot :package::rocket: