fix(deps): update managed.elasticsearch to v8.15.2

[renovate[bot]]

This PR contains the following updates:

Package	Change	Age	Adoption	Passing	Confidence
org.elasticsearch.client:elasticsearch-rest-client	8.15.1 -> 8.15.2
co.elastic.clients:elasticsearch-java	8.15.1 -> 8.15.2

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Release Notes

elastic/elasticsearch (org.elasticsearch.client:elasticsearch-rest-client)

### [`v8.15.2`](https://redirect.github.com/elastic/elasticsearch/releases/tag/v8.15.2): Elasticsearch 8.15.2 Downloads: https://elastic.co/downloads/elasticsearch Release notes: https://www.elastic.co/guide/en/elasticsearch/reference/8.15/release-notes-8.15.2.html

elastic/elasticsearch-java (co.elastic.clients:elasticsearch-java)

### [`v8.15.2`](https://redirect.github.com/elastic/elasticsearch-java/compare/v8.15.1...v8.15.2) [Compare Source](https://redirect.github.com/elastic/elasticsearch-java/compare/v8.15.1...v8.15.2)

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[sonarcloud[bot]]

Quality Gate passed

Issues
0 New issues
0 Accepted issues

Measures
0 Security Hotspots
0.0% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarCloud