Resetting changelog (#594)

* Resetting changelog

Signed-off-by: Joshua Palis <[email protected]>

* updating unreleased 2.x link

Signed-off-by: Joshua Palis <[email protected]>

---------

Signed-off-by: Joshua Palis <[email protected]>

CHANGELOG.md

@@ -12,24 +12,11 @@ Inspired from [Keep a Changelog](https://keepachangelog.com/en/1.1.0/)
 ### Maintenance
 ### Refactoring
 
-## [Unreleased 2.x](https://github.com/opensearch-project/flow-framework/compare/2.12...2.x)
+## [Unreleased 2.x](https://github.com/opensearch-project/flow-framework/compare/2.13...2.x)
 ### Features
-- Added create ingest pipeline step ([#558](https://github.com/opensearch-project/flow-framework/pull/558))
-- Added create search pipeline step ([#569](https://github.com/opensearch-project/flow-framework/pull/569))
-- Added create index step ([#574](https://github.com/opensearch-project/flow-framework/pull/574))
-- Added default use cases ([#583](https://github.com/opensearch-project/flow-framework/pull/583))
-
 ### Enhancements
-- Substitute REST path or body parameters in Workflow Steps ([#525](https://github.com/opensearch-project/flow-framework/pull/525))
-- Added an optional workflow_step param to the get workflow steps API ([#538](https://github.com/opensearch-project/flow-framework/pull/538))
-- Add created, updated, and provisioned timestamps to saved template ([#551](https://github.com/opensearch-project/flow-framework/pull/551))
-- Enable Flow Framework by default ([#553](https://github.com/opensearch-project/flow-framework/pull/553))
-- Adding new exception type for workflow step failures ([#577](https://github.com/opensearch-project/flow-framework/pull/577))
-
 ### Bug Fixes
 ### Infrastructure
 ### Documentation
 ### Maintenance
 ### Refactoring
-- Moved workflow-steps.json to Enum ([#523](https://github.com/opensearch-project/flow-framework/pull/523))
-- Refactored logging for consistency ([#524](https://github.com/opensearch-project/flow-framework/pull/524))