update HISTORY.md and version.h for 8.4.4

HISTORY.md

 # Rocksdb Change Log
 > NOTE: Entries for next release do not go here. Follow instructions in `unreleased_history/README.txt`
 
+## 8.4.4 (09/01/2023)
+### Bug Fixes
+* Fix a bug where if there is an error reading from offset 0 of a file from L1+ and that the file is not the first file in the sorted run, data can be lost in compaction and read/scan can return incorrect results.
+* Fix a bug where iterator may return incorrect result for DeleteRange() users if there was an error reading from a file.
+* Fixed a race condition in `GenericRateLimiter` that could cause it to stop granting requests
+
 ## 8.4.3 (07/27/2023)
 ### Bug Fixes
 * Fix use_after_free bug in async_io MultiReads when underlying FS enabled kFSBuffer. kFSBuffer is when underlying FS pass their own buffer instead of using RocksDB scratch in FSReadRequest.

include/rocksdb/version.h

@@ -13,7 +13,7 @@
 // minor or major version number planned for release.
 #define ROCKSDB_MAJOR 8
 #define ROCKSDB_MINOR 4
-#define ROCKSDB_PATCH 3
+#define ROCKSDB_PATCH 4
 
 // Do not use these. We made the mistake of declaring macros starting with
 // double underscore. Now we have to live with our choice. We'll deprecate these

unreleased_history/bug_fixes/001_check_iter_status_data_loss.md

-* Fix a bug where if there is an error reading from offset 0 of a file from L1+ and that the file is not the first file in the sorted run, data can be lost in compaction and read/scan can return incorrect results.
\ No newline at end of file

unreleased_history/bug_fixes/010_check_more_iter_status_for_delete_range.md

-* Fix a bug where iterator may return incorrect result for DeleteRange() users if there was an error reading from a file.
\ No newline at end of file

unreleased_history/bug_fixes/fixed_generic_rate_limiter_hang.md

-Fixed a race condition in `GenericRateLimiter` that could cause it to stop granting requests