Cleanup release 1.1.0, prepare 1.2.0 (opensearch-project#361)

Signed-off-by: github-actions[bot] <41898282+github-actions[bot]@users.noreply.github.com>
Co-authored-by: lucy66hw <178352792+lucy66hw@users.noreply.github.com>

Author: github-actions[bot]

CHANGELOG.md

@@ -4,16 +4,9 @@ Inspired from [Keep a Changelog](https://keepachangelog.com/en/1.0.0/)
 
 ## [Unreleased]
 ### Added
-- Add unit test workflow with coverage reporting ([#346](https://github.com/opensearch-project/opensearch-protobufs/pull/346))
-- parsing service definition to support auto-detect root messages for cleanup ([#347](https://github.com/opensearch-project/opensearch-protobufs/pull/347))
-- Add CompatibilityReporter for backward compatibility change tracking ([#349](https://github.com/opensearch-project/opensearch-protobufs/pull/349))
 
 ### Changed
-- Fix enum value annotations not being preserved ([#353](https://github.com/opensearch-project/opensearch-protobufs/pull/353))
-- Preserve comments on versioned fields and Rename "REMOVED" to "DEPRECATED" in reports ([#355](https://github.com/opensearch-project/opensearch-protobufs/pull/355))
-- Updates the backward compatibility report workflow to compare against the latest proto files ([#356](https://github.com/opensearch-project/opensearch-protobufs/pull/356))
-- Speed up the proto conversion workflow by using a pre-built openapi-generator-cli.jar ([#357](https://github.com/opensearch-project/opensearch-protobufs/pull/357))
-- Rename double_array to coords in `TermsQueryField` and field_value_array to value in `GeoLocation` ([#359](https://github.com/opensearch-project/opensearch-protobufs/pull/359))
+
 ### Removed
 
 ### Fixed

release-notes/opensearch-protobufs.release-notes-1.1.0.md

@@ -0,0 +1,18 @@
+## Version 1.1.0 (2026-01-07) Release Notes
+
+### Added
+- Add unit test workflow with coverage reporting ([#346](https://github.com/opensearch-project/opensearch-protobufs/pull/346))
+- parsing service definition to support auto-detect root messages for cleanup ([#347](https://github.com/opensearch-project/opensearch-protobufs/pull/347))
+- Add CompatibilityReporter for backward compatibility change tracking ([#349](https://github.com/opensearch-project/opensearch-protobufs/pull/349))
+
+### Changed
+- Fix enum value annotations not being preserved ([#353](https://github.com/opensearch-project/opensearch-protobufs/pull/353))
+- Preserve comments on versioned fields and Rename "REMOVED" to "DEPRECATED" in reports ([#355](https://github.com/opensearch-project/opensearch-protobufs/pull/355))
+- Updates the backward compatibility report workflow to compare against the latest proto files ([#356](https://github.com/opensearch-project/opensearch-protobufs/pull/356))
+- Speed up the proto conversion workflow by using a pre-built openapi-generator-cli.jar ([#357](https://github.com/opensearch-project/opensearch-protobufs/pull/357))
+- Rename double_array to coords in `TermsQueryField` and field_value_array to value in `GeoLocation` ([#359](https://github.com/opensearch-project/opensearch-protobufs/pull/359))
+### Removed
+
+### Fixed
+
+### Security

version.properties

@@ -1 +1 @@
-version=1.1.0
+version=1.2.0