[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/SharedWeb/SharedWeb.csproj

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

src/SharedWeb/Utilities/ServiceCollectionExtensions.cs

@@ -1,4 +1,5 @@
 using System;
+using System.Collections.Generic;
 using System.IO;
 using System.Reflection;
 using System.Security.Claims;
@@ -599,7 +600,7 @@ namespace Bit.SharedWeb.Utilities
             {
                 options.ServerDomain = new Uri(globalSettings.BaseServiceUri.Vault).Host;
                 options.ServerName = "Bitwarden";
-                options.Origin = globalSettings.BaseServiceUri.Vault;
+                options.Origins = new HashSet<string> { globalSettings.BaseServiceUri.Vault, };
                 options.TimestampDriftTolerance = 300000;
             });
         }