package/redis: bump to v8.2.0

From the release notes:
(https://github.com/redis/redis/blob/8.2.0/00-RELEASENOTES)

===========================================================
8.2 GA (v8.2.0)    Released Mon 4 Aug 2025 15:00:00 IST
===========================================================

This is the General Availability release of Redis Open Source 8.2.

- Streams - new commands: `XDELEX` and `XACKDEL`; extension to `XADD` and `XTRIM`
- Bitmap - `BITOP`: new operators: `DIFF`, `DIFF1`, `ANDOR`, and `ONE`
- Query Engine - new SVS-VAMANA vector index type which supports vector compression
- More than 15 performance and resource utilization improvements
- New metrics: per-slot usage metrics, key size distributions for basic data types, and more

Note: the full release note mention three CVEs fixed in 8.1.x and 8.2.x
series. Those security fixes were already included in version 8.0.2 and
8.0.3, already in Buildroot. Therefore, this commit is not marked as
security related.

Signed-off-by: Titouan Christophe <titouan.christophe@mind.be>
[Julien: add comment in commit log about CVE in release note]
Signed-off-by: Julien Olivain <ju.o@free.fr>

package/redis/redis.hash

@@ -1,5 +1,5 @@
 # From https://github.com/redis/redis-hashes/blob/master/README
-sha256  33f37290b00b14e9a884dd4dcba335febd63ea16c51609d34fa41e031ad587df  redis-8.0.3.tar.gz
+sha256  ff95b83b7cf2f7a33af3be1e52fdf2e791c259f8272465c3b09f9e6bc901b604  redis-8.2.0.tar.gz
 
 # Locally calculated
 sha256  4a0e416b9537688f30dfe69ddaceb2ca64d96b7df02a0a6760d376890ddc4e40  LICENSE.txt

package/redis/redis.mk

@@ -4,7 +4,7 @@
 #
 ################################################################################
 
-REDIS_VERSION = 8.0.3
+REDIS_VERSION = 8.2.0
 REDIS_SITE = http://download.redis.io/releases
 REDIS_LICENSE = \
 	AGPL-3.0 or SSPL-1.0 or RSAL-2.0 (core); \