Bump System.Text.Json from 5.0.1 to 8.0.4 in /src/deequ

Bumps System.Text.Json from 5.0.1 to 8.0.4.

---
updated-dependencies:
- dependency-name: System.Text.Json
  dependency-type: direct:production
...

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

src/deequ/deequ.csproj

@@ -13,6 +13,6 @@
     </PropertyGroup>
     <ItemGroup>
         <PackageReference Include="Microsoft.Spark" Version="1.0.0" />
-        <PackageReference Include="System.Text.Json" Version="5.0.1" />
+        <PackageReference Include="System.Text.Json" Version="8.0.4" />
     </ItemGroup>
 </Project>