for security，is it considered to upgrade redis from 3.2.11 to 3.2.12?

[wtiancai]

codis use redis 3.2.11,if have follow security issues?if have，do you wanna to fix it?

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Redis 3.2.12 Released Wed Jun 13 12:43:01 CEST 2018

Upgrade urgency CRITICAL:

• Multilple security issues fixed.
• Backport of an older AOF fsync=always fix. Check 4.x release notes.
• Backport of a *SCAN bug. Sometimes elements could be missing from the scan.
• Other minor things.

[fancy-rabbit]

could you please try the PR #1552 ?