Update Redis stability tags to 5.3.1

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

Author: csandanov

.env

@@ -71,9 +71,9 @@ VALKEY_TAG=9.0-1.6.2
 ### --- REDIS ---
 
 REDIS_TAG=8.6-5.3.1
-#REDIS_TAG=8.4-5.2.3
-#REDIS_TAG=8.2-5.2.3
-#REDIS_TAG=7.4-5.2.3
+#REDIS_TAG=8.4-5.3.1
+#REDIS_TAG=8.2-5.3.1
+#REDIS_TAG=7.4-5.3.1
 
 ### --- VINYL ---