databases/redis{,5,6}: security update to latest releases

Multiple security issues have been fixed.

Security: CVE-2021-41099
Security: CVE-2021-32762
Security: CVE-2021-32687
Security: CVE-2021-32675
Security: CVE-2021-32672
Security: CVE-2021-32628
Security: CVE-2021-32627
Security: CVE-2021-32626

PR: 256936
(cherry picked from commit 2636e7c310b77163e96da1bce324da930e693e6d)