Bump System.Text.Json from 6.0.1 to 6.0.2

Bumps [System.Text.Json](https://github.com/dotnet/runtime) from 6.0.1 to 6.0.2.
- [Release notes](https://github.com/dotnet/runtime/releases)
- [Commits](dotnet/runtime@v6.0.1...v6.0.2)

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

Signed-off-by: dependabot[bot] <[email protected]>

Author: dependabot[bot]

src/Microsoft.OpenApi/Microsoft.OpenApi.csproj

@@ -38,7 +38,7 @@
 
     <ItemGroup>
         <PackageReference Include="Microsoft.SourceLink.GitHub" Version="1.1.1" PrivateAssets="All" />
-        <PackageReference Include="System.Text.Json" Version="6.0.1" />
+        <PackageReference Include="System.Text.Json" Version="6.0.2" />
     </ItemGroup>
 
     <ItemGroup>