Bump rocksdb-sys/rocksdb from `4d57a39` to `66b31c5`

Bumps [rocksdb-sys/rocksdb](https://github.com/facebook/rocksdb) from `4d57a39` to `66b31c5`.
- [Release notes](https://github.com/facebook/rocksdb/releases)
- [Commits](4d57a393a8...66b31c5098)

---
updated-dependencies:
- dependency-name: rocksdb-sys/rocksdb
  dependency-type: direct:production
...

Signed-off-by: dependabot[bot] <support@github.com>

rocksdb-sys/rocksdb

@@ -1 +1 @@
-Subproject commit 4d57a393a8f1563c0dff1ff468756c23d89e3601
+Subproject commit 66b31c509832a1e3daa6880bca097c9a27a9b6b5