[MINOR][INFRA] Add ANTLR generated files to .gitignore
[MINOR][INFRA] Add ANTLR generated files to .gitignore

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

Add git ignore entries for files created by ANTLR.

### Why are the changes needed?

To avoid developers from accidentally adding those files when working on parser/lexer.

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

No

### How was this patch tested?

To make sure those files are ignored by `git status` when they exist.

Closes #35838 from yutoacts/minor_gitignore.

Authored-by: Yuto Akutsu <1c5eb9c01483db9a7c7ede8ddfc9fb2c3578ed75@oss.nttdata.com>
Signed-off-by: Kousuke Saruta <7d45abe39fd242ee2f6575da28f13d66568418b3@oss.nttdata.com>

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