replace FluentAssertions with AwesomeAssertions (#110)

Co-authored-by: Konstantin <[email protected]>

Author: hf-kklein

ChronoJsonDiffPatch/ChronoJsonDiffPatchTests/ChronoJsonDiffPatchTests.csproj

@@ -9,7 +9,7 @@
     </PropertyGroup>
 
     <ItemGroup>
-        <PackageReference Include="FluentAssertions" Version="8.0.0" />
+        <PackageReference Include="AwesomeAssertions" Version="7.1.0" />
         <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.12.0" />
         <PackageReference Include="Newtonsoft.Json" Version="13.0.3" />
         <PackageReference Include="xunit" Version="2.9.3" />