docs: update changelog

CHANGELOG.md

@@ -31,6 +31,10 @@ The `IX_WORKFLOW_STORE_ENTRY_WS` index is removed from `WORKFLOW_STORE_ENTRY`.
 
 The index had low cardinality and workflow pickup is faster without it. Migration time depends on workflow store size, but should be very fast for most installations. Terminal workflows are removed from the workflow store, so only running workflows contribute to the cost.
 
+### AWS ECR Remote Hashing Support
+
+Cromwell now supports remote hashing for both public and private AWS ECR containers.
+
 ## 87 Release Notes
 
 ### GCP Batch