Bump System.Text.Json from 6.0.4 to 6.0.5

Bumps [System.Text.Json](https://github.com/dotnet/runtime) from 6.0.4 to 6.0.5.
- [Release notes](https://github.com/dotnet/runtime/releases)
- [Commits](dotnet/runtime@v6.0.4...v6.0.5)

---
updated-dependencies:
- dependency-name: System.Text.Json
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <support@github.com>

src/FluentRest.Fake/FluentRest.Fake.csproj

@@ -8,7 +8,7 @@
 
   <ItemGroup>
     <PackageReference Include="System.Net.Http" Version="4.3.4" />
-    <PackageReference Include="System.Text.Json" Version="6.0.4" />
+    <PackageReference Include="System.Text.Json" Version="6.0.5" />
   </ItemGroup>
 
 </Project>

src/FluentRest/FluentRest.csproj

@@ -8,7 +8,7 @@
 
   <ItemGroup>
     <PackageReference Include="System.Net.Http" Version="4.3.4" />
-    <PackageReference Include="System.Text.Json" Version="6.0.4" />
+    <PackageReference Include="System.Text.Json" Version="6.0.5" />
   </ItemGroup>
 
 </Project>