fix: memory leak in while balance vgroup

source/dnode/mnode/impl/src/mndVgroup.c

@@ -1907,6 +1907,7 @@ static int32_t mndBalanceVgroup(SMnode *pMnode, SRpcMsg *pReq, SArray *pArray) {
   }
 
 _OVER:
+  taosHashCleanup(pBalancedVgroups);
   mndTransDrop(pTrans);
   return code;
 }

tests/parallel_test/cases.task

@@ -55,7 +55,7 @@
 ,,,script,./test.sh -f tsim/dnode/redistribute_vgroup_replica3_v1_follower.sim
 ,,,script,./test.sh -f tsim/dnode/redistribute_vgroup_replica3_v2.sim
 ,,,script,./test.sh -f tsim/dnode/redistribute_vgroup_replica3_v3.sim
-,,y,script,./test.sh -f tsim/dnode/vnode_clean.sim
+,,,script,./test.sh -f tsim/dnode/vnode_clean.sim
 ,,,script,./test.sh -f tsim/dnode/use_dropped_dnode.sim 
 ,,,script,./test.sh -f tsim/dnode/split_vgroup_replica1.sim 
 ,,,script,./test.sh -f tsim/dnode/split_vgroup_replica3.sim 
@@ -176,8 +176,8 @@
 ,,y,script,./test.sh -f tsim/query/udf.sim
 ,,y,script,./test.sh -f tsim/qnode/basic1.sim
 ,,y,script,./test.sh -f tsim/snode/basic1.sim
-,,y,script,./test.sh -f tsim/mnode/basic1.sim
-,,y,script,./test.sh -f tsim/mnode/basic2.sim
+,,,script,./test.sh -f tsim/mnode/basic1.sim
+,,,script,./test.sh -f tsim/mnode/basic2.sim
 ,,,script,./test.sh -f tsim/mnode/basic3.sim
 ,,,script,./test.sh -f tsim/mnode/basic4.sim
 ,,,script,./test.sh -f tsim/mnode/basic5.sim