Prepare 3.6.0 release (#1873)

Signed-off-by: Andriy Redko <drreta@gmail.com>

Author: reta

CHANGELOG.md

@@ -5,11 +5,6 @@ Inspired from [Keep a Changelog](https://keepachangelog.com/en/1.0.0/)
 ### Added
 
 ### Dependencies
-- Bump `de.undercouch.download` from 5.6.0 to 5.7.0 ([#1867](https://github.com/opensearch-project/opensearch-java/pull/1867))
-- Bump `org.owasp.dependencycheck` from 12.1.2 to 12.2.0 ([#1735](https://github.com/opensearch-project/opensearch-java/pull/1735), [#1742](https://github.com/opensearch-project/opensearch-java/pull/1742), [#1754](https://github.com/opensearch-project/opensearch-java/pull/1754), [#1765](https://github.com/opensearch-project/opensearch-java/pull/1765), [#1796](https://github.com/opensearch-project/opensearch-java/pull/1796), [#1854](https://github.com/opensearch-project/opensearch-java/pull/1854))
-- Bump `gradle-wrapper` from 9.3.0 to 9.3.1 ([#1864](https://github.com/opensearch-project/opensearch-java/pull/1864))
-- Bump `gradle-wrapper` from 9.2.0 to 9.3.0 ([#1862](https://github.com/opensearch-project/opensearch-java/pull/1862))
-- Bump `org.apache.httpcomponents.client5:httpclient5` from 5.5 to 5.6 [#1844](https://github.com/opensearch-project/opensearch-java/pull/1844)
 
 ### Changed
 
@@ -36,6 +31,26 @@ Inspired from [Keep a Changelog](https://keepachangelog.com/en/1.0.0/)
 
 ### Security
 
+## [3.6.0] - 02/11/2026
+### Added
+
+### Dependencies
+- Bump `de.undercouch.download` from 5.6.0 to 5.7.0 ([#1867](https://github.com/opensearch-project/opensearch-java/pull/1867))
+- Bump `org.owasp.dependencycheck` from 12.1.2 to 12.2.0 ([#1735](https://github.com/opensearch-project/opensearch-java/pull/1735), [#1742](https://github.com/opensearch-project/opensearch-java/pull/1742), [#1754](https://github.com/opensearch-project/opensearch-java/pull/1754), [#1765](https://github.com/opensearch-project/opensearch-java/pull/1765), [#1796](https://github.com/opensearch-project/opensearch-java/pull/1796), [#1854](https://github.com/opensearch-project/opensearch-java/pull/1854))
+- Bump `gradle-wrapper` from 9.3.0 to 9.3.1 ([#1864](https://github.com/opensearch-project/opensearch-java/pull/1864))
+- Bump `gradle-wrapper` from 9.2.0 to 9.3.0 ([#1862](https://github.com/opensearch-project/opensearch-java/pull/1862))
+- Bump `org.apache.httpcomponents.client5:httpclient5` from 5.5 to 5.6 [#1844](https://github.com/opensearch-project/opensearch-java/pull/1844)
+
+### Changed
+
+### Deprecated
+
+### Removed
+
+### Fixed
+
+### Security
+
 ## [3.5.0] - 01/15/2026
 ### Added
 - Fix formatting of the main method to run for various samples ([#1749](https://github.com/opensearch-project/opensearch-java/pull/1749))
@@ -622,8 +637,9 @@ Inspired from [Keep a Changelog](https://keepachangelog.com/en/1.0.0/)
 - Fix catching JsonParsingException ([#494](https://github.com/opensearch-project/opensearch-java/issues/494))
 - Fix StoryStats numeric value out of range of int ([#489](https://github.com/opensearch-project/opensearch-java/pull/489))
 
-[Unreleased 3.x]: https://github.com/opensearch-project/opensearch-java/compare/v3.5.0...3.x
+[Unreleased 3.x]: https://github.com/opensearch-project/opensearch-java/compare/v3.6.0...3.x
 [Unreleased 2.x]: https://github.com/opensearch-project/opensearch-java/compare/v2.26.0...2.x
+[3.6.0]: https://github.com/opensearch-project/opensearch-java/compare/v3.5.0...v3.6.0
 [3.5.0]: https://github.com/opensearch-project/opensearch-java/compare/v3.4.0...v3.5.0
 [3.4.0]: https://github.com/opensearch-project/opensearch-java/compare/v3.3.0...v3.4.0
 [3.3.0]: https://github.com/opensearch-project/opensearch-java/compare/v3.2.0...v3.3.0