chore(deps): update dotnet monorepo

Author: renovate[bot]

src/Directory.Build.props

@@ -30,7 +30,7 @@
   </PropertyGroup>
 
   <ItemGroup Condition="'$(IsTestProject)' != 'true'">
-    <PackageReference Include="Microsoft.SourceLink.GitHub" Version="8.0.0" PrivateAssets="All" />
+    <PackageReference Include="Microsoft.SourceLink.GitHub" Version="10.0.102" PrivateAssets="All" />
   </ItemGroup>
 
   <ItemGroup>

src/ReactiveMarbles.RoslynHelpers/ReactiveMarbles.RoslynHelpers.csproj

@@ -19,7 +19,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="Microsoft.CodeAnalysis.CSharp" Version="4.10.0" PrivateAssets="all" />
+    <PackageReference Include="Microsoft.CodeAnalysis.CSharp" Version="5.0.0" PrivateAssets="all" />
   </ItemGroup>
 
   <ItemGroup>