[MINOR][INFRA] Suppress warning in check-license
[MINOR][INFRA] Suppress warning in check-license

### What changes were proposed in this pull request?
This PR aims to suppress the warning `File exists` in check-license

### Why are the changes needed?

**BEFORE**
```
% dev/check-license
Attempting to fetch rat
RAT checks passed.

% dev/check-license
mkdir: target: File exists
RAT checks passed.
```

**AFTER**
```
% dev/check-license
Attempting to fetch rat
RAT checks passed.

% dev/check-license
RAT checks passed.
```

### Does this PR introduce _any_ user-facing change?
No.

### How was this patch tested?
Manually do dev/check-license twice.

Closes #30460 from williamhyun/checklicense.

Authored-by: William Hyun <0d6b2a6cdba65a96cdc8b26488f0cf089fe427cf@gmail.com>
Signed-off-by: HyukjinKwon <2680965ad5aae29275c8fb10150cb10f5554e78b@apache.org>

shaneknapp/spark,milliman/spark,BryanCutler/spark,cloud-fan/spark,HyukjinKwon/spark,nchammas/spark,shuangshuangwang/spark,HyukjinKwon/spark,WeichenXu123/spark,wangyum/spark,rednaxelafx/apache-spark,witgo/spark,mahak/spark,vinodkc/spark,zzcclp/spark,wangmiao1981/spark,shuangshuangwang/spark,BryanCutler/spark,dongjoon-hyun/spark,holdenk/spark,cloud-fan/spark,maropu/spark,jiangxb1987/spark,hvanhovell/spark,cloud-fan/spark,nchammas/spark,shuangshuangwang/spark,maropu/spark,taroplus/spark,zero323/spark,wangmiao1981/spark,rednaxelafx/apache-spark,BryanCutler/spark,witgo/spark,zero323/spark,dongjoon-hyun/spark,nchammas/spark,holdenk/spark,wangyum/spark,apache/spark,rednaxelafx/apache-spark,wangmiao1981/spark,holdenk/spark,gengliangwang/spark,BryanCutler/spark,chuckchen/spark,cloud-fan/spark,witgo/spark,xuanyuanking/spark,cloud-fan/spark,milliman/spark,hvanhovell/spark,witgo/spark,chuckchen/spark,hvanhovell/spark,xuanyuanking/spark,ueshin/apache-spark,srowen/spark,taroplus/spark,WeichenXu123/spark,JoshRosen/spark,zzcclp/spark,vinodkc/spark,zero323/spark,shaneknapp/spark,BryanCutler/spark,WeichenXu123/spark,xuanyuanking/spark,ueshin/apache-spark,wangyum/spark,vinodkc/spark,taroplus/spark,zero323/spark,witgo/spark,mahak/spark,holdenk/spark,xuanyuanking/spark,chuckchen/spark,wangyum/spark,JoshRosen/spark,shaneknapp/spark,mahak/spark,shaneknapp/spark,chuckchen/spark,vinodkc/spark,vinodkc/spark,jiangxb1987/spark,wangmiao1981/spark,jiangxb1987/spark,nchammas/spark,apache/spark,gengliangwang/spark,HyukjinKwon/spark,wangmiao1981/spark,zzcclp/spark,dongjoon-hyun/spark,jiangxb1987/spark,jiangxb1987/spark,hvanhovell/spark,apache/spark,shuangshuangwang/spark,zero323/spark,apache/spark,gengliangwang/spark,zzcclp/spark,apache/spark,rednaxelafx/apache-spark,rednaxelafx/apache-spark,JoshRosen/spark,dongjoon-hyun/spark,dongjoon-hyun/spark,zero323/spark,milliman/spark,vinodkc/spark,witgo/spark,maropu/spark,gengliangwang/spark,nchammas/spark,wangmiao1981/spark,hvanhovell/spark,wangmiao1981/spark,wangyum/spark,srowen/spark,apache/spark,holdenk/spark,maropu/spark,shaneknapp/spark,zzcclp/spark,chuckchen/spark,zero323/spark,WeichenXu123/spark,hvanhovell/spark,mahak/spark,HyukjinKwon/spark,gengliangwang/spark,srowen/spark,zzcclp/spark,holdenk/spark,JoshRosen/spark,maropu/spark,witgo/spark,xuanyuanking/spark,taroplus/spark,chuckchen/spark,milliman/spark,ueshin/apache-spark,shaneknapp/spark,mahak/spark,jiangxb1987/spark,srowen/spark,srowen/spark,rednaxelafx/apache-spark,nchammas/spark,milliman/spark,maropu/spark,ueshin/apache-spark,srowen/spark,WeichenXu123/spark,HyukjinKwon/spark,ueshin/apache-spark,taroplus/spark,chuckchen/spark,wangyum/spark,xuanyuanking/spark,WeichenXu123/spark,vinodkc/spark,JoshRosen/spark,rednaxelafx/apache-spark,mahak/spark,BryanCutler/spark,shuangshuangwang/spark,WeichenXu123/spark,srowen/spark,xuanyuanking/spark,dongjoon-hyun/spark,wangyum/spark,dongjoon-hyun/spark,cloud-fan/spark,JoshRosen/spark,gengliangwang/spark,taroplus/spark,maropu/spark,shuangshuangwang/spark,zzcclp/spark,HyukjinKwon/spark,milliman/spark,holdenk/spark,apache/spark,shaneknapp/spark,taroplus/spark,mahak/spark,ueshin/apache-spark,cloud-fan/spark,gengliangwang/spark,BryanCutler/spark,shuangshuangwang/spark,nchammas/spark,milliman/spark,jiangxb1987/spark,ueshin/apache-spark,JoshRosen/spark,HyukjinKwon/spark,hvanhovell/spark