package/redis: bump to v8.2.1

From the release notes
(https://github.com/redis/redis/blob/8.2.1/00-RELEASENOTES)

=============================================================
8.2.1 (v8.2.1)    Committed  Mon 18 Aug 2025 12:00:00 IST
=============================================================

Update urgency: `MODERATE`: Program an upgrade of the server, but it's not urgent.

- #14240 `INFO KEYSIZES` - potential incorrect histogram updates on cluster mode with modules
- #14274 Disable Active Defrag during flushing replica
- #14276 `XADD` or `XTRIM` can crash the server after loading RDB
- #Q6601 Potential crash when running `FLUSHDB` (MOD-10681)

- Query Engine - LeanVec and LVQ proprietary Intel optimizations were removed from Redis Open Source
- #Q6621 Fix regression in `INFO` (MOD-10779)

Signed-off-by: Titouan Christophe <titouan.christophe@mind.be>
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  ff95b83b7cf2f7a33af3be1e52fdf2e791c259f8272465c3b09f9e6bc901b604  redis-8.2.0.tar.gz
+sha256  e2c1cb9dd4180a35b943b85dfc7dcdd42566cdbceca37d0d0b14c21731582d3e  redis-8.2.1.tar.gz
 
 # Locally calculated
 sha256  4a0e416b9537688f30dfe69ddaceb2ca64d96b7df02a0a6760d376890ddc4e40  LICENSE.txt

package/redis/redis.mk

@@ -4,7 +4,7 @@
 #
 ################################################################################
 
-REDIS_VERSION = 8.2.0
+REDIS_VERSION = 8.2.1
 REDIS_SITE = http://download.redis.io/releases
 REDIS_LICENSE = \
 	AGPL-3.0 or SSPL-1.0 or RSAL-2.0 (core); \