pip-docker: bump scylla-driver in /docker in the python group

Bumps the python group in /docker with 1 update: [scylla-driver](https://github.com/scylladb/python-driver).


Updates `scylla-driver` from 3.26.9 to 3.28.0
- [Changelog](https://github.com/scylladb/python-driver/blob/master/CHANGELOG.rst)
- [Commits](https://github.com/scylladb/python-driver/commits)

---
updated-dependencies:
- dependency-name: scylla-driver
  dependency-type: direct:production
  update-type: version-update:semver-minor
  dependency-group: python
...

Signed-off-by: dependabot[bot] <[email protected]>

docker/requirements-extra.txt

@@ -2,5 +2,5 @@
 # temporary replacement
 git+https://github.com/sergey-gr/sentry-auth-ldap.git@6d0f5aabd9bd2ba847f8cf6958efd97d728b17c3
 django-redis==5.4.0
-scylla-driver==3.26.9
+scylla-driver==3.28.0
 git+https://github.com/doc-sheet/sentry-cassandra-nodestorage.git@e5632e1fccce1b6aeb612d0444db0807ca966993