Add support for .NET 4.8 and remove support for .NET 4.7.2

[gep13]

Detailed Description

We need to change to use the long term supported version of the .NET Framework.

Context

.NET 4.8 is the most recent version of .NET Framework, and the one that has long term support, so we should switch to requiring this.

Possible Implementation

Change TargetFrameworks and remove usage of .NET 4.7.2.

Your Environment

N/A

[gittools-bot]

:tada: This issue has been resolved in version 0.15.0 :tada:

The release is available on:

• GitHub Release
• NuGet Package
• Chocolatey Package
• .Net Global Tool

Your GitReleaseManager bot :package::rocket: