chore(deps-dev): bump pandera from 0.20.1 to 0.20.4

Bumps [pandera](https://github.com/pandera-dev/pandera) from 0.20.1 to 0.20.4.
- [Release notes](https://github.com/pandera-dev/pandera/releases)
- [Commits](unionai-oss/pandera@v0.20.1...v0.20.4)

---
updated-dependencies:
- dependency-name: pandera
  dependency-type: direct:development
  update-type: version-update:semver-patch
...

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