PR created by the Librarian CLI to initialize a release. Merging this PR
will auto trigger a release.

Librarian Version: v0.7.0
Language Image:
us-central1-docker.pkg.dev/cloud-sdk-librarian-prod/images-prod/python-librarian-generator@sha256:c8612d3fffb3f6a32353b2d1abd16b61e87811866f7ec9d65b59b02eb452a620
<details><summary>sqlalchemy-spanner: 1.17.2</summary>

##
[1.17.2](https://github.com/googleapis/python-spanner-sqlalchemy/compare/v1.17.1...v1.17.2)
(2025-12-15)

### Bug Fixes

* Retrieve columns in compound indexes in correct order (#798)
([9afe49bb](https://github.com/googleapis/python-spanner-sqlalchemy/commit/9afe49bb))

</details>