Update System.Text.Json to 9.0.4

---
updated-dependencies:
- dependency-name: System.Text.Json
  dependency-version: 9.0.4
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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

Author: dependabot[bot]

EncryptedConfigValue/EncryptedConfigValue.csproj

@@ -1,12 +1,12 @@
-<Project Sdk="Microsoft.NET.Sdk">
+<Project Sdk="Microsoft.NET.Sdk">
 
 	<PropertyGroup>
 		<TargetFramework>netstandard2.0</TargetFramework>
 	</PropertyGroup>
 
 	<ItemGroup>
 		<PackageReference Include="Portable.BouncyCastle" Version="1.9.0" />
-		<PackageReference Include="System.Text.Json" Version="9.0.3" />
+		<PackageReference Include="System.Text.Json" Version="9.0.4" />
 	</ItemGroup>
 
 </Project>