chore(deps): bump elasticsearch from 7.17.9 to 8.15.1

Bumps [elasticsearch](https://github.com/elastic/elasticsearch-py) from 7.17.9 to 8.15.1.
- [Release notes](https://github.com/elastic/elasticsearch-py/releases)
- [Commits](elastic/elasticsearch-py@v7.17.9...v8.15.1)

---
updated-dependencies:
- dependency-name: elasticsearch
  dependency-type: direct:production
  update-type: version-update:semver-major
...

Signed-off-by: dependabot[bot] <support@github.com>

pyproject.toml

@@ -14,7 +14,7 @@ requests = "^2.32.3"
 gunicorn = "^23.0.0"
 asyncstdlib = "^3.12.5"
 httpx = "^0.27.2"
-elasticsearch = "^7.17.9"
+elasticsearch = "^8.15.1"
 apscheduler = "^3.10.4"
 python-dateutil = "^2.8.2"
 python-json-logger = "^2.0.7"