Upgrade hdfs2 version to 2.8.5 (#8319)

Signed-off-by: xiaolong.ran <rxl@apache.org>


Fixes #8305 


### Motivation

In Apache Hadoop 2.8.2, there are the following security issues:

- CVE-2018-1296
- CVE-2018-8009

Recommended upgrade version:2.8.5

### Modifications

- Upgrade hdfs2 version to `2.8.5`

1 file changed
tree: 81f28070efac040e7ff76a2572a0f53f7e043a88
  1. pulsar-io/