build(deps): bump pyrofork from 2.3.14.post2 to 2.3.15.post4

Bumps [pyrofork](https://github.com/Mayuri-Chan/pyrofork) from 2.3.14.post2 to 2.3.15.post4.
- [Release notes](https://github.com/Mayuri-Chan/pyrofork/releases)
- [Commits](Mayuri-Chan/pyrofork@v2.3.14.post2...v2.3.15.post4)

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

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