Prepare the changelog for releasing 2.18.0 (#1313)

Signed-off-by: Thomas Farr <[email protected]>

CHANGELOG.md

@@ -3,13 +3,10 @@ Inspired from [Keep a Changelog](https://keepachangelog.com/en/1.0.0/)
 
 ## [Unreleased 2.x]
 ### Added
-- Added support for disabling typed keys serialization ([#1296](https://github.com/opensearch-project/opensearch-java/pull/1296))
-- Added support for the `batch_size` param on the `text_embedding` processor ([#1298](https://github.com/opensearch-project/opensearch-java/pull/1298))
 
 ### Dependencies
 
 ### Changed
-- Changed AwsSdk2Transport to pre-emptively throw an exception when using AWS SDK's ApacheHttpClient to make an unsupported DELETE/GET request with a body ([#1256](https://github.com/opensearch-project/opensearch-java/pull/1256))
 
 ### Deprecated
 
@@ -19,14 +16,24 @@ Inspired from [Keep a Changelog](https://keepachangelog.com/en/1.0.0/)
 
 ### Security
 
+## [2.18.0] - 11/19/2024
+### Added
+- Added support for disabling typed keys serialization ([#1296](https://github.com/opensearch-project/opensearch-java/pull/1296))
+- Added support for the `batch_size` param on the `text_embedding` processor ([#1298](https://github.com/opensearch-project/opensearch-java/pull/1298))
+
+### Dependencies
+- Bump `io.github.classgraph:classgraph` from 4.8.177 to 4.8.179 ([#1302](https://github.com/opensearch-project/opensearch-java/pull/1302))
+
+### Changed
+- Changed AwsSdk2Transport to pre-emptively throw an exception when using AWS SDK's ApacheHttpClient to make an unsupported DELETE/GET request with a body ([#1256](https://github.com/opensearch-project/opensearch-java/pull/1256))
+
 ## [2.17.0] - 11/05/2024
 ### Added
 - Added support for `KnnVectorProperty`'s `compression_level`, `data_type`, `mode` & `space_type` properties ([#1255](https://github.com/opensearch-project/opensearch-java/pull/1255))
 
 ### Dependencies
 - Bumps `org.apache.httpcomponents.core5:httpcore5-h2` from 5.3 to 5.3.1
 - Bumps `org.owasp.dependencycheck` from 10.0.2 to 11.1.0
-- Bump `io.github.classgraph:classgraph` from 4.8.177 to 4.8.179 ([#1302](https://github.com/opensearch-project/opensearch-java/pull/1302))
 
 ### Fixed
 - Fixed `UndeployModelResponse` deserialization ([#1257](https://github.com/opensearch-project/opensearch-java/pull/1257))
@@ -525,7 +532,8 @@ Inspired from [Keep a Changelog](https://keepachangelog.com/en/1.0.0/)
 
 ### Security
 
-[Unreleased 2.x]: https://github.com/opensearch-project/opensearch-java/compare/v2.17.0...2.x
+[Unreleased 2.x]: https://github.com/opensearch-project/opensearch-java/compare/v2.18.0...2.x
+[2.18.0]: https://github.com/opensearch-project/opensearch-java/compare/v2.17.0...v2.18.0
 [2.17.0]: https://github.com/opensearch-project/opensearch-java/compare/v2.16.0...v2.17.0
 [2.16.0]: https://github.com/opensearch-project/opensearch-java/compare/v2.15.0...v2.16.0
 [2.15.0]: https://github.com/opensearch-project/opensearch-java/compare/v2.14.0...v2.15.0