build(deps): bump elasticsearch/elasticsearch from 8.19.0 to 9.4.0

Bumps [elasticsearch/elasticsearch](https://github.com/elastic/elasticsearch-php) from 8.19.0 to 9.4.0.
- [Release notes](https://github.com/elastic/elasticsearch-php/releases)
- [Changelog](https://github.com/elastic/elasticsearch-php/blob/main/CHANGELOG.md)
- [Commits](elastic/elasticsearch-php@v8.19.0...v9.4.0)

---
updated-dependencies:
- dependency-name: elasticsearch/elasticsearch
  dependency-version: 9.4.0
  dependency-type: direct:production
  update-type: version-update:semver-major
...

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

Author: dependabot[bot]

composer.json

@@ -26,7 +26,7 @@
         "coduo/php-humanizer": "^5.0",
         "cuyz/valinor": "^2.4",
         "doctrine/dbal": "^3.6 || ^4.0",
-        "elasticsearch/elasticsearch": "^7.6|^8.0",
+        "elasticsearch/elasticsearch": "^7.6|^8.0|^9.0",
         "google/apiclient": "^2.13",
         "google/protobuf": "^4.0 || ^5.0",
         "halaxa/json-machine": "^1.1",