Release arrow-rs / parquet Minor version `60.1.0` (September 2026)

Let's keep the code flowing. Part of
- https://github.com/apache/arrow-rs/issues/7392

## Release Checklist:
- [ ] Release notes and bump version:
- [ ] Verify with downstream DataFusion tests:
- [ ] Release Candidate + Vote thread:
- [ ] Release to crates.io / approval:
- [ ] Create follow on tickets

## Required items for release
- [ ] None yet

## Requested items for release
- [ ] None yet

Start with parent issue #7392 and the release checklist in this issue. Review the release notes and version bump, verify downstream DataFusion tests, prepare the release candidate and vote thread, and follow the crates.io approval process. Done means the checklist is completed and follow-on tickets are created.

Written by the indexing model from the issue text.