Bump Redisearch module version to v8.4.1 (redis#14536)

Fix FT.CREATE failure with LeanVec parameters on non-Intel
architectures(RediSearch/RediSearch@4b9dceb)

Author: alonre24

modules/redisearch/Makefile

@@ -1,5 +1,5 @@
 SRC_DIR = src
-MODULE_VERSION = v8.4.0
+MODULE_VERSION = v8.4.1
 MODULE_REPO = https://github.com/redisearch/redisearch
 TARGET_MODULE = $(SRC_DIR)/bin/$(FULL_VARIANT)/search-community/redisearch.so