chore(deps): bump System.Text.Json from 8.0.5 to 9.0.2

Bumps [System.Text.Json](https://github.com/dotnet/runtime) from 8.0.5 to 9.0.2.
- [Release notes](https://github.com/dotnet/runtime/releases)
- [Commits](dotnet/runtime@v8.0.5...v9.0.2)

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

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

Author: dependabot[bot]

src/Microsoft.OpenApi.Hidi/Microsoft.OpenApi.Hidi.csproj

@@ -44,7 +44,7 @@
     <!--STJ
     required until Microsoft.Extensions.Logging.Console and Microsoft.Extensions.Configuration.Json
     update their dependencies -->
-    <PackageReference Include="System.Text.Json" Version="9.0.0" />
+    <PackageReference Include="System.Text.Json" Version="9.0.2" />
   </ItemGroup>
 
   <ItemGroup>

test/Microsoft.OpenApi.Readers.Tests/Microsoft.OpenApi.Readers.Tests.csproj

@@ -23,7 +23,7 @@
         <PackageReference Include="xunit" Version="2.9.3" />
         <PackageReference Include="xunit.runner.visualstudio" Version="3.0.2" PrivateAssets="all" />
         <!--STJ required until Microsoft.Extensions.Logging.Console and Microsoft.Extensions.Configuration.Json update their dependencies -->
-        <PackageReference Include="System.Text.Json" Version="9.0.0" />
+        <PackageReference Include="System.Text.Json" Version="9.0.2" />
     </ItemGroup>
 
     <ItemGroup>