…inks

* Update dependencies from https://github.com/dotnet/roslyn build 20221208.26

Microsoft.Net.Compilers.Toolset
 From Version 4.4.0-2.22458.3 -> To Version 4.5.0-2.22608.26

* Un-ref InternableString.Simple

This triggered some C# compiler errors with newer versions of the
compiler:

```
S:\msbuild\src\StringTools\InternableString.Simple.cs(130,39): error CS8170: Struct members cannot return 'this' or other instance members by reference [S:\msbuild\src\StringTools\StringTools.csproj::TargetFramework=net35]
S:\msbuild\src\StringTools\InternableString.Simple.cs(130,20): error CS8347: Cannot use a result of 'InternableString.Enumerator.Enumerator(ref InternableString)' in this context because it may expose variables referenced by parameter 'spanBuilder' outside of their declaration scope [S:\msbuild\src\StringTools\StringTools.csproj::TargetFramework=net35]
```

Since this implementation is purely for the MSBuildTaskHost net35
compatibility case and self-describes as "inefficient", I think it's ok
to make it a regular non-ref struct.

Co-authored-by: dotnet-maestro[bot] <dotnet-maestro[bot]@users.noreply.github.com>
Co-authored-by: Rainer Sigwald <[email protected]>

Fixes-ish #7903

Context
Our previous analyzer is not helpful due to #7903. This switches to using a more modern api analyzer.

Notes
The note that inspired this suggested including a version as well, but the documentation I found didn't mention a version.

* Added FancyLogger

Fixes #

Context
For the average user, the current ConsoleLogger does not provide the required amount of information about the build, as it either shows too little information (with low verbosity levels) or too much information that it is very difficult to find (with high verbosity levels).
A better approach would be having the log update to show the necessary amount of information for the current performing action (be it a project, target or task) and hiding additional data for actions that completed successfully; thus reducing the amount of irrelevant info.
Likewise the addition of formatting (bold, italics, color) using ANSI escape codes provides the user with a much better experience.
A progress tracker for the build is also considered.

This PR focuses only on the opt-in/out mechanism for the feature.

Changes Made
Created a new FancyLogger class.
Created a ANSIBuilder static class with helper methods for ANSI formatting and graphics
Added the /fancylogger and /flg command line switches for enabling the FancyLogger
Added the $MSBUILDFANCYLOGGER environment variable for enabling the FancyLogger
Testing
Notes

Co-authored-by: Rainer Sigwald <[email protected]>

Add support for symlink files embedding to binlog

.NET Core 2.1 is out of support and is not used in the projects in MSBuild.sln. Removing the "Microsoft.Net.Core.Component.SDK.2.1" ID from the .vsconfig file will stop Visual Studio from complaining when .NET Core 2.1 is not installed.

Fixes #8255

Context
Developer issue while working with MSBuild.sln in Visual Studio.

Changes Made
Remove one line from .vsconfig file

Testing
Tested opening the solution before and after the .vsconfig change.

Make target items paths crossplatform