Bump orjson from 3.10.15 to 3.10.16 (#4915)

Bumps [orjson](https://github.com/ijl/orjson) from 3.10.15 to 3.10.16.
- [Release notes](https://github.com/ijl/orjson/releases)
- [Changelog](https://github.com/ijl/orjson/blob/master/CHANGELOG.md)
- [Commits](ijl/orjson@3.10.15...3.10.16)

---
updated-dependencies:
- dependency-name: orjson
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

Signed-off-by: dependabot[bot] <[email protected]>
Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>

Author: dependabot[bot]

requirements.txt

@@ -18,7 +18,7 @@ mercurial==6.9.5
 microannotate==0.0.24
 mozci==2.4.1
 numpy==2.0.2
-orjson==3.10.15
+orjson==3.10.16
 ortools==9.12.4544
 pandas==2.2.3
 psutil==7.0.0