Bump elasticsearch from 7.11.0 to 7.12.0
Bump elasticsearch from 7.11.0 to 7.12.0

Bumps [elasticsearch](https://github.com/elastic/elasticsearch-py) from 7.11.0 to 7.12.0.
- [Release notes](https://github.com/elastic/elasticsearch-py/releases)
- [Changelog](https://github.com/elastic/elasticsearch-py/blob/master/Changelog.rst)
- [Commits](https://github.com/elastic/elasticsearch-py/compare/v7.11.0...v7.12.0)

Signed-off-by: dependabot-preview[bot] <5bdcd3c0d4d24ae3e71b3b452a024c6324c7e4bb@dependabot.com>
mozilla-services/kinto-dist,mozilla-services/kinto-dist