Update orjson to 3.9.15 to fix vulnerability
Update `orjson` to 3.9.15 to fix vulnerability: https://github.com/ijl/orjson/releases/tag/3.9.15
- Affected versions: < 3.9.15

This will fix 11 Dependabot alerts.
Update orjson to 3.9.15 to fix vulnerability: Update `orjson` to 3.9.15 to fix vulnerability: https://github.com/ijl/orjson/releases/tag/3.9.15
- Affected versions: < 3.9.15

This will fix 11 Dependabot alerts.