Bump System.Text.Json from 8.0.0 to 8.0.4 in /src/JT809.Protocol

Bumps System.Text.Json from 8.0.0 to 8.0.4.

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

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

src/JT809.Protocol/JT809.Protocol.csproj

@@ -86,14 +86,14 @@
 		<PackageReference Include="System.Dynamic.Runtime" Version="4.3.0" />
 		<PackageReference Include="System.Memory" Version="4.5.5" />
 		<PackageReference Include="System.Reflection.Extensions" Version="4.3.0" />
-		<PackageReference Include="System.Text.Json" Version="8.0.0" />
+		<PackageReference Include="System.Text.Json" Version="8.0.4" />
 		<PackageReference Include="System.Text.Encoding.CodePages" Version="8.0.0" />
 		<PackageReference Include="Microsoft.Extensions.DependencyInjection.Abstractions" Version="8.0.0" />
 	</ItemGroup>
 	
 	<ItemGroup Condition=" '$(TargetFramework)' == 'net7.0' ">
-		<PackageReference Include="System.Text.Encoding.CodePages" Version="7.0.0" />
-		<PackageReference Include="Microsoft.Extensions.DependencyInjection.Abstractions" Version="7.0.0" />
+		<PackageReference Include="System.Text.Encoding.CodePages" Version="8.0.0" />
+		<PackageReference Include="Microsoft.Extensions.DependencyInjection.Abstractions" Version="8.0.0" />
 	</ItemGroup>
 
 	<ItemGroup Condition=" '$(TargetFramework)' == 'net8.0' ">