Bump py42 from 1.27.1 to 1.27.3 in /docker/py42

Bumps [py42](https://github.com/code42/py42) from 1.27.1 to 1.27.3.
- [Release notes](https://github.com/code42/py42/releases)
- [Changelog](https://github.com/code42/py42/blob/main/CHANGELOG.md)
- [Commits](code42/py42@v1.27.1...v1.27.3)

---
updated-dependencies:
- dependency-name: py42
  dependency-type: direct:production
  update-type: version-update:semver-patch
...

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