[PS-40] Upgrade to .NET 6 (#2056)

* Bump to .NET 6

* Update Docker images

* Update docs

* Update workflow for linter

* Add all common versions to props file

* Update tools manifest

* Update csproj files

* Update packages.lock.json files

* Switch to setup-dotnet

* Remove msbuild

* Fix deps breaking changes

* Manually install msbuild

* Use msbuild for build

* Fix verbosity switch

* Remove unused exceptions

* Address linter feedback

* Make Obsolete warnings suggestions for now.

* Force Evaluate

* Format on tests

* Run formatting again.

* Use windows 2022

* force evaluate

* Fix restore

* Fix linter

* Skip test

* Update Directory.Build.props

Co-authored-by: Matt Gibson <mgibson@bitwarden.com>

* Address PR feedback

* Add IntegationTest for Rate limiter

* Fix test

* Reenable test

* Reorder test

* Skip test again

* Add tracking link

* Update .github/workflows/build.yml

Co-authored-by: Micaiah Martin <77340197+mimartin12@users.noreply.github.com>

Co-authored-by: Matt Gibson <mgibson@bitwarden.com>
Co-authored-by: Micaiah Martin <77340197+mimartin12@users.noreply.github.com>

src/Infrastructure.Dapper/Infrastructure.Dapper.csproj

@@ -1,9 +1,5 @@
 <Project Sdk="Microsoft.NET.Sdk">
 
-    <PropertyGroup>
-        <TargetFramework>net5.0</TargetFramework>
-    </PropertyGroup>
-
     <ItemGroup>
       <ProjectReference Include="..\Core\Core.csproj" />
     </ItemGroup>

src/Infrastructure.Dapper/Repositories/ProviderOrganizationRepository.cs

@@ -1,6 +1,7 @@
 using System;
 using System.Collections.Generic;
 using System.Data;
+using System.Data.SqlClient;
 using System.Linq;
 using System.Threading.Tasks;
 using Bit.Core.Entities.Provider;
@@ -8,7 +9,6 @@ using Bit.Core.Models.Data;
 using Bit.Core.Repositories;
 using Bit.Core.Settings;
 using Dapper;
-using Microsoft.Data.SqlClient;
 
 namespace Bit.Infrastructure.Dapper.Repositories
 {

src/Infrastructure.Dapper/Repositories/ProviderUserRepository.cs

@@ -1,6 +1,7 @@
 using System;
 using System.Collections.Generic;
 using System.Data;
+using System.Data.SqlClient;
 using System.Linq;
 using System.Threading.Tasks;
 using Bit.Core.Entities.Provider;
@@ -10,7 +11,6 @@ using Bit.Core.Repositories;
 using Bit.Core.Settings;
 using Bit.Core.Utilities;
 using Dapper;
-using Microsoft.Data.SqlClient;
 
 namespace Bit.Infrastructure.Dapper.Repositories
 {