[SPARK-40241][DOCS] Correct the link of GenericUDTF

### What changes were proposed in this pull request?
Correct the link

### Why are the changes needed?
existing link was wrong

### Does this PR introduce _any_ user-facing change?
yes, a link was updated

### How was this patch tested?
Manually check

Closes apache#37685 from zhengruifeng/doc_fix_udtf.

Authored-by: Ruifeng Zheng <ruifengz@apache.org>
Signed-off-by: Yuming Wang <yumwang@ebay.com>

docs/sql-ref-functions-udf-hive.md

@@ -55,7 +55,7 @@ SELECT testUDF(value) FROM t;
 ```
 
 
-An example below uses [GenericUDTFExplode](https://github.com/apache/hive/blob/master/ql/src/java/org/apache/hadoop/hive/ql/udf/generic/GenericUDTFExplode.java) derived from [GenericUDTF](https://github.com/apache/hive/blob/master/ql/src/java/org/apache/hadoop/hive/ql/udf/generic/GenericUDF.java).
+An example below uses [GenericUDTFExplode](https://github.com/apache/hive/blob/master/ql/src/java/org/apache/hadoop/hive/ql/udf/generic/GenericUDTFExplode.java) derived from [GenericUDTF](https://github.com/apache/hive/blob/master/ql/src/java/org/apache/hadoop/hive/ql/udf/generic/GenericUDTF.java).
 
 ```sql
 -- Register `GenericUDTFExplode` and use it in Spark SQL