[KYUUBI #2420] Fix outdate .gitignore for dependency-reduced-pom.xml

### _Why are the changes needed?_

Before this pr the file `extensions/spark/kyuubi-extension-spark-3-2/dependency-reduced-pom.xml` will be not ignored.

### _How was this patch tested?_
- [ ] Add some test cases that check the changes thoroughly including negative and positive cases if possible

- [ ] Add screenshots for manual tests if appropriate

- [x] [Run test](https://kyuubi.apache.org/docs/latest/develop_tools/testing.html#running-tests) locally before make a pull request

Closes #2420 from ulysses-you/fix-gitignore.

Closes #2420

383a3d5 [ulysses-you] fix

Authored-by: ulysses-you <ulyssesyou18@gmail.com>
Signed-off-by: ulysses-you <ulyssesyou@apache.org>

Author: ulysses-you

.gitignore

@@ -59,8 +59,7 @@ spark-warehouse/
 metastore_db
 derby.log
 ldap
-*/dependency-reduced-pom.xml
-*/*/dependency-reduced-pom.xml
+**/dependency-reduced-pom.xml
 metrics/report.json
 metrics/.report.json.crc
 /kyuubi-ha/embedded_zookeeper/