[SPARK-37678][PYTHON] Fix _cleanup_and_return signature
[SPARK-37678][PYTHON] Fix _cleanup_and_return signature

### What changes were proposed in this pull request?

This PR fixes return type annotation for  `pandas.groupby.SeriesGroupBy._cleanup_and_return`.

### Why are the changes needed?

Current annotation is incorrect (mixes pandas an pyspark.pandas types).

### Does this PR introduce _any_ user-facing change?

No.

### How was this patch tested?

Existing tests.

Closes #34950 from zero323/SPARK-37678.

Authored-by: zero323 <0f81822ec43dc7f424811d0a422871ea124aa3dd@gmail.com>
Signed-off-by: Takuya UESHIN <f070f8f0c50caeda5841963fc7b57e73e59dad56@databricks.com>

xuanyuanking/spark,srowen/spark,hvanhovell/spark,srowen/spark,mahak/spark,cloud-fan/spark,vinodkc/spark,dongjoon-hyun/spark,xuanyuanking/spark,cloud-fan/spark,hvanhovell/spark,zzcclp/spark,gengliangwang/spark,witgo/spark,gengliangwang/spark,xuanyuanking/spark,zero323/spark,rednaxelafx/apache-spark,wangyum/spark,zero323/spark,dongjoon-hyun/spark,gengliangwang/spark,cloud-fan/spark,rednaxelafx/apache-spark,witgo/spark,cloud-fan/spark,shaneknapp/spark,zzcclp/spark,JoshRosen/spark,holdenk/spark,vinodkc/spark,srowen/spark,HyukjinKwon/spark,apache/spark,apache/spark,xuanyuanking/spark,witgo/spark,holdenk/spark,JoshRosen/spark,gengliangwang/spark,cloud-fan/spark,holdenk/spark,nchammas/spark,shaneknapp/spark,rednaxelafx/apache-spark,hvanhovell/spark,ueshin/apache-spark,wangyum/spark,mahak/spark,WeichenXu123/spark,hvanhovell/spark,xuanyuanking/spark,ueshin/apache-spark,gengliangwang/spark,WeichenXu123/spark,witgo/spark,shaneknapp/spark,ueshin/apache-spark,holdenk/spark,HyukjinKwon/spark,nchammas/spark,holdenk/spark,srowen/spark,cloud-fan/spark,shaneknapp/spark,rednaxelafx/apache-spark,ueshin/apache-spark,JoshRosen/spark,zzcclp/spark,wangyum/spark,WeichenXu123/spark,JoshRosen/spark,wangyum/spark,zero323/spark,shaneknapp/spark,HyukjinKwon/spark,shaneknapp/spark,nchammas/spark,wangyum/spark,hvanhovell/spark,holdenk/spark,apache/spark,zero323/spark,zzcclp/spark,zero323/spark,JoshRosen/spark,ueshin/apache-spark,WeichenXu123/spark,holdenk/spark,wangyum/spark,apache/spark,HyukjinKwon/spark,gengliangwang/spark,dongjoon-hyun/spark,rednaxelafx/apache-spark,gengliangwang/spark,wangyum/spark,nchammas/spark,xuanyuanking/spark,hvanhovell/spark,vinodkc/spark,vinodkc/spark,witgo/spark,mahak/spark,mahak/spark,apache/spark,WeichenXu123/spark,nchammas/spark,WeichenXu123/spark,vinodkc/spark,mahak/spark,shaneknapp/spark,JoshRosen/spark,JoshRosen/spark,witgo/spark,mahak/spark,dongjoon-hyun/spark,WeichenXu123/spark,rednaxelafx/apache-spark,zero323/spark,nchammas/spark,HyukjinKwon/spark,HyukjinKwon/spark,nchammas/spark,srowen/spark,dongjoon-hyun/spark,HyukjinKwon/spark,apache/spark,ueshin/apache-spark,rednaxelafx/apache-spark,xuanyuanking/spark,zzcclp/spark,ueshin/apache-spark,apache/spark,zero323/spark,mahak/spark,hvanhovell/spark,witgo/spark,vinodkc/spark,vinodkc/spark,cloud-fan/spark,dongjoon-hyun/spark,zzcclp/spark,srowen/spark,dongjoon-hyun/spark,srowen/spark,zzcclp/spark