Deprecate PowerShell 7.0/7.1 and .NET Core 3.1

[andyleejordan]

Summary of the new feature / enhancement

When these dependencies hit end-of-life this December we need to remove them from the build.

Proposed technical implementation details (optional)

No response

[andyleejordan]

• Bump Microsoft.Extensions.Logging from 6.0.0 to 7.0.0 #1952
• Bump Microsoft.Extensions.FileSystemGlobbing from 6.0.0 to 7.0.0 #1950

[andyleejordan]

Following https://learn.microsoft.com/en-us/aspnet/core/migration/31-to-60?view=aspnetcore-6.0&tabs=visual-studio