[KYUUBI #4974] [MINOR] Eliminate rawtypes compilation warning in KyuubiBeeLine

### _Why are the changes needed?_

- Eliminate rawtypes compilation warning in `KyuubiBeeLine.java` by adding `SuppressWarnings` annotation of rule `rawtypes` to BeelineParser implementation
```
Warning:  [Warn] /home/runner/work/kyuubi/kyuubi/kyuubi-hive-beeline/src/main/java/org/apache/hive/beeline/KyuubiBeeLine.java:148:53:  [rawtypes] found raw type: ListIterator
```

### _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.readthedocs.io/en/master/develop_tools/testing.html#running-tests) locally before make a pull request

Closes #4974 from bowenliang123/beeline-rawtypes.

Closes #4974

994a2d3e0 [liangbowen] Fix rawtypes compilation warning in KyuubiBeeLine

Authored-by: liangbowen <liangbowen@gf.com.cn>
Signed-off-by: Cheng Pan <chengpan@apache.org>

kyuubi-hive-beeline/src/main/java/org/apache/hive/beeline/KyuubiBeeLine.java

@@ -145,6 +145,7 @@ public class KyuubiBeeLine extends BeeLine {
 
       beelineParser =
           new BeelineParser() {
+            @SuppressWarnings("rawtypes")
             @Override
             protected void processOption(String arg, ListIterator iter) throws ParseException {
               if (PYTHON_MODE_PREFIX.equals(arg)) {