Bump redshift-connector from 2.1.5 to 2.1.7 (#1723)

Bumps [redshift-connector](https://github.com/aws/amazon-redshift-python-driver) from 2.1.5 to 2.1.7.
- [Release notes](https://github.com/aws/amazon-redshift-python-driver/releases)
- [Changelog](https://github.com/aws/amazon-redshift-python-driver/blob/master/CHANGELOG.md)
- [Commits](aws/amazon-redshift-python-driver@v2.1.5...v2.1.7)

---
updated-dependencies:
- dependency-name: redshift-connector
  dependency-version: 2.1.7
  dependency-type: indirect
...

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

Author: dependabot[bot]