chore(deps): update dependency fluentassertions to v6.10.0

Author: renovate[bot]

dotnet/Gherkin.Specs/Gherkin.Specs.csproj

@@ -6,7 +6,7 @@
   </PropertyGroup>
 
   <ItemGroup>
-    <PackageReference Include="FluentAssertions" Version="6.9.0" />
+    <PackageReference Include="FluentAssertions" Version="6.10.0" />
     <PackageReference Include="Microsoft.NET.Test.Sdk" Version="17.4.1" />
     <PackageReference Include="Utf8Json" Version="1.3.7" />
     <PackageReference Include="xunit" Version="2.4.2" />