chore(deps): bump orjson from 3.4.7 to 3.9.15

Bumps [orjson](https://github.com/ijl/orjson) from 3.4.7 to 3.9.15.
- [Release notes](https://github.com/ijl/orjson/releases)
- [Changelog](https://github.com/ijl/orjson/blob/master/CHANGELOG.md)
- [Commits](ijl/orjson@3.4.7...3.9.15)

---
updated-dependencies:
- dependency-name: orjson
  dependency-type: direct:production
...

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

Author: dependabot[bot]

requirements.api.txt

@@ -5,7 +5,7 @@ Flask-Limiter==3.3.0
 jinja2==3.1.3
 more_itertools==8.4.0
 mysqlclient==2.1.1
-orjson==3.4.7
+orjson==3.9.15
 pandas==1.2.3
 python-dotenv==0.15.0
 pyyaml