Merge pull request #32765 from liggitt/guide

Add 1.27 deprecated API removals

Author: k8s-ci-robot

content/en/docs/reference/using-api/deprecation-guide.md

@@ -20,6 +20,18 @@ deprecated API versions to newer and more stable API versions.
 
 ## Removed APIs by release
 
+### v1.27
+
+The **v1.27** release will stop serving the following deprecated API versions:
+
+#### CSIStorageCapacity {#csistoragecapacity-v127}
+
+The **storage.k8s.io/v1beta1** API version of CSIStorageCapacity will no longer be served in v1.27.
+
+* Migrate manifests and API clients to use the **storage.k8s.io/v1** API version, available since v1.24.
+* All existing persisted objects are accessible via the new API
+* No notable changes
+
 ### v1.26
 
 The **v1.26** release will stop serving the following deprecated API versions: