(maint) Consolidate and remove duplicates

Not sure how this happened, but there was a duplicate packagerefernce
for Shouldly, which has been removed, as well as for
Serilog.Sinks.Console.

Author: gep13

src/GitReleaseManager.IntegrationTests/GitReleaseManager.IntegrationTests.csproj

@@ -24,10 +24,8 @@
         <PackageReference Include="nunit" Version="3.13.3" />
         <PackageReference Include="NUnit3TestAdapter" Version="4.5.0" />
         <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.7.1" />
-        <PackageReference Include="Serilog.Sinks.Console" Version="4.0.1" />
         <PackageReference Include="Shouldly" Version="4.2.1" />
         <PackageReference Include="Serilog.Sinks.Console" Version="4.1.0" />
-        <PackageReference Include="Shouldly" Version="4.0.3" />
         <PackageReference Include="TextCopy" Version="6.2.1" />
     </ItemGroup>
 </Project>