Bump arrow from 1.2.3 to 1.3.0 in /docker/py3-tools (#20734)

Bumps [arrow](https://github.com/arrow-py/arrow) from 1.2.3 to 1.3.0.
- [Release notes](https://github.com/arrow-py/arrow/releases)
- [Changelog](https://github.com/arrow-py/arrow/blob/master/CHANGELOG.rst)
- [Commits](arrow-py/arrow@1.2.3...1.3.0)

---
updated-dependencies:
- dependency-name: arrow
  dependency-type: direct:production
  update-type: version-update:semver-minor
...

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