Release from staging to master 2023-08-23.

changelog.md

@@ -6,6 +6,7 @@ Starting after v5.0.0 release, updates will be declared for schemas independentl
 and (starting with v4.0.0) this project adheres to [Semantic Versioning](http://semver.org/spec/v2.0.0.html). Unreleased changes may be indicated under the `Unreleased` heading.
 
 ## [Unreleased](https://github.com/HumanCellAtlas/metadata-schema/tree/staging)
+## [Released](https://github.com/HumanCellAtlas/metadata-schema/)
 
 ### [core/biomaterial/biomaterial_core.json - v8.4.0] - 2023-08-22
 ### Added
@@ -35,8 +36,6 @@ Added timecourse module. Fixes #1511
 ### Added
 Added timecourse module. Fixes #1511
 
-## [Released](https://github.com/HumanCellAtlas/metadata-schema/)
-
 ### [module/project/hca_bionetwork.json - v1.0.1] - 2023-05-22
 ### Added
 Added new values to hca_atlas field