[SPARK-34398][DOCS] Fix PySpark migration link
[SPARK-34398][DOCS] Fix PySpark migration link

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

docs/pyspark-migration-guide.md

### Why are the changes needed?
broken link

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

### How was this patch tested?
Manually build and check

Closes #31514 from raphaelauv/patch-2.

Authored-by: raphaelauv <4b70edc674a5bb1ef0b9ddf6b6cfc8020463bf90@users.noreply.github.com>
Signed-off-by: HyukjinKwon <2680965ad5aae29275c8fb10150cb10f5554e78b@apache.org>

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