Cherry pick defrag schedule changes (#2455)

* Add a new type of Job: DefragJob (#2375)
(cherry picked from commit 759bca7)

* Add defrag status data structures (#2385)
(cherry picked from commit def904a)

* Add generic schedule structure; add fields for defrag schedule (#2408)
(cherry picked from commit 5aaf214)

* Add server and APIs for defrag and schedule services (#2426)
(cherry picked from commit e80fd7f)

* Change OpenStorageSchedule API parameter type to string (#2454)
(cherry picked from commit e4b050e)

Makefile

@@ -437,6 +437,7 @@ mockgen:
 	mockgen -destination=cluster/mock/cluster.mock.go -package=mock github.com/libopenstorage/openstorage/cluster Cluster
 	mockgen -destination=api/mock/mock_fstrim.go -package=mock github.com/libopenstorage/openstorage/api OpenStorageFilesystemTrimServer,OpenStorageFilesystemTrimClient
 	mockgen -destination=api/mock/mock_fscheck.go -package=mock github.com/libopenstorage/openstorage/api OpenStorageFilesystemCheckServer,OpenStorageFilesystemCheckClient
+	mockgen -destination=api/mock/mock_defrag.go -package=mock github.com/libopenstorage/openstorage/api OpenStorageFilesystemDefragServer,OpenStorageFilesystemDefragClient
 	mockgen -destination=api/server/mock/mock_schedops_k8s.go -package=mock github.com/portworx/sched-ops/k8s/core Ops
 	mockgen -destination=volume/drivers/mock/driver.mock.go -package=mock github.com/libopenstorage/openstorage/volume VolumeDriver
 	mockgen -destination=bucket/drivers/mock/bucket_driver.mock.go -package=mock github.com/libopenstorage/openstorage/bucket BucketDriver

SDK_CHANGELOG.md

@@ -2,6 +2,12 @@
 
 ## Releases
 
+### v0.101.51 - (06/18/2024)
+
+* Add defrag job and status data structures
+* Add generic schedule data structure
+* Add server and APIs for defrag and schedule services
+
 ### v0.101.50 - (05/24/2024)
 
 * Add a parameter for FlashArray Pod names