Bump orjson from 3.8.3 to 3.8.4 (#3240)

Bumps [orjson](https://github.com/ijl/orjson) from 3.8.3 to 3.8.4.
- [Release notes](https://github.com/ijl/orjson/releases)
- [Changelog](https://github.com/ijl/orjson/blob/master/CHANGELOG.md)
- [Commits](https://github.com/ijl/orjson/compare/3.8.3...3.8.4)

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

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

requirements.txt

@@ -10,7 +10,7 @@ mercurial==6.3.1
 microannotate==0.0.24
 mozci==2.2.2
 numpy==1.22.4
-orjson==3.8.3
+orjson==3.8.4
 ortools==9.5.2237
 pandas==1.5.2
 psutil==5.9.4