Bump System.Text.Json from 8.0.0 to 8.0.4 in /Obsidian.SourceGenerators

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>

Obsidian.SourceGenerators/Obsidian.SourceGenerators.csproj

@@ -12,7 +12,7 @@
 	<ItemGroup>
 		<PackageReference Include="Microsoft.CodeAnalysis.CSharp" Version="4.8.0" PrivateAssets="all" />
 		<PackageReference Include="Microsoft.CodeAnalysis.Analyzers" Version="3.3.4" PrivateAssets="all" />
-		<PackageReference Include="System.Text.Json" Version="8.0.0" PrivateAssets="all" GeneratePathProperty="true" />
+		<PackageReference Include="System.Text.Json" Version="8.0.4" PrivateAssets="all" GeneratePathProperty="true" />
 		<PackageReference Include="Microsoft.Bcl.AsyncInterfaces" Version="8.0.0" PrivateAssets="all" GeneratePathProperty="true" />
 		<PackageReference Include="System.Text.Encodings.Web" Version="8.0.0" PrivateAssets="all" GeneratePathProperty="true" />
 	</ItemGroup>