HDDS-11644. Close OMLayoutVersionManager (apache#7445)

Author: ivandika3

hadoop-ozone/ozone-manager/src/main/java/org/apache/hadoop/ozone/om/OzoneManager.java

@@ -2334,6 +2334,10 @@ public boolean stop() {
       if (bucketUtilizationMetrics != null) {
         bucketUtilizationMetrics.unRegister();
       }
+
+      if (versionManager != null) {
+        versionManager.close();
+      }
       return true;
     } catch (Exception e) {
       LOG.error("OzoneManager stop failed.", e);