Remove redundant Microsoft.CodeAnalysis.Workspaces.Common dependency and add Directory.Packages.props to solution items

Co-authored-by: BenjaminMichaelis <22186029+BenjaminMichaelis@users.noreply.github.com>

Author: Copilot

Directory.Packages.props

@@ -11,7 +11,6 @@
     <PackageVersion Include="Microsoft.CodeAnalysis.CSharp" Version="5.0.0" />
     <PackageVersion Include="Microsoft.CodeAnalysis.CSharp.Workspaces" Version="5.0.0" />
     <PackageVersion Include="Microsoft.CodeAnalysis.NetAnalyzers" Version="10.0.102" />
-    <PackageVersion Include="Microsoft.CodeAnalysis.Workspaces.Common" Version="5.0.0" />
     <PackageVersion Include="Microsoft.CodeAnalysis.Workspaces.MSBuild" Version="5.0.0" />
     <PackageVersion Include="Microsoft.NET.Test.Sdk" Version="18.0.1" />
     <PackageVersion Include="MSTest.TestAdapter" Version="4.0.2" />

IntelliTect.Analyzer.sln

@@ -12,6 +12,7 @@ Project("{2150E333-8FDC-42A3-9474-1A3956D46DE8}") = "Solution Items", "Solution
 		.editorconfig = .editorconfig
 		azure-pipelines.yml = azure-pipelines.yml
 		Directory.Build.props = Directory.Build.props
+		Directory.Packages.props = Directory.Packages.props
 		NuGet.config = NuGet.config
 		README.md = README.md
 	EndProjectSection