GH-152 - marking NSubstitute.Analyzers.CSharp and NSubstitute.Analyzers.VisualBasic as development dependencies by default (#155)

Author: tpodolak

src/NSubstitute.Analyzers.CSharp/NSubstitute.Analyzers.CSharp.csproj

@@ -22,6 +22,7 @@
     <PackageTags>$(PackageTags);nsubstitute,nsubstitute.analyzers,analyzers,roslyn,csharp;c#</PackageTags>
     <NoPackageAnalysis>true</NoPackageAnalysis>
     <PackageReleaseNotes>https://github.com/nsubstitute/NSubstitute.Analyzers/blob/master/ReleaseNotes.md</PackageReleaseNotes>
+    <DevelopmentDependency>true</DevelopmentDependency>
   </PropertyGroup>
   <ItemGroup>
     <PackageReference Update="NetStandard.Library" Version="$(NetStandardImplicitPackageVersion)" PrivateAssets="all" />

src/NSubstitute.Analyzers.VisualBasic/NSubstitute.Analyzers.VisualBasic.csproj

@@ -22,6 +22,7 @@
     <PackageTags>$(PackageTags);nsubstitute,nsubstitute.analyzers,analyzers,roslyn,visualbasic;vb;vb.net</PackageTags>
     <NoPackageAnalysis>true</NoPackageAnalysis>
     <PackageReleaseNotes>https://github.com/nsubstitute/NSubstitute.Analyzers/blob/master/ReleaseNotes.md</PackageReleaseNotes>
+    <DevelopmentDependency>true</DevelopmentDependency>
   </PropertyGroup>
   <ItemGroup>
     <PackageReference Update="NetStandard.Library" Version="$(NetStandardImplicitPackageVersion)" PrivateAssets="all" />