chore: Align StyleCop.Analyzers package version declaration across project files

Author: snovak7

Directory.Packages.props

@@ -1,5 +1,6 @@
 <Project>
     <ItemGroup>
         <PackageVersion Include="Escendit.Tools.Branding" Version="1.2.0"/>
+        <PackageVersion Include="StyleCop.Analyzers.Unstable" Version="1.2.0.556"/>
     </ItemGroup>
 </Project>

src/Escendit.Tools.CodeAnalysis.StyleCopAnalyzers/Escendit.Tools.CodeAnalysis.StyleCopAnalyzers.csproj

@@ -9,7 +9,7 @@
         <PackageTags>analyzers;stylecop;defaults</PackageTags>
     </PropertyGroup>
     <ItemGroup>
-        <PackageReference Include="StyleCop.Analyzers.Unstable" Version="1.2.0.556">
+        <PackageReference Include="StyleCop.Analyzers.Unstable">
             <PrivateAssets>runtime; build; native; contentfiles</PrivateAssets>
             <IncludeAssets>runtime; build; native; contentfiles; analyzers; buildtransitive</IncludeAssets>
         </PackageReference>