chore(deps): bump localstack-client from 2.5 to 2.6

Bumps [localstack-client](https://github.com/localstack/localstack-python-client) from 2.5 to 2.6.
- [Changelog](https://github.com/localstack/localstack-python-client/blob/master/CHANGELOG.md)
- [Commits](https://github.com/localstack/localstack-python-client/commits)

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

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

requirements/requirements_test.txt

@@ -1,5 +1,5 @@
 -r ./requirements_common.txt
 
-localstack-client==2.5
+localstack-client==2.6
 
 tftest==1.8.5