Upgrade to Redis 6.2.6.

Closes #1657

Author: mp911de

ci/pipeline.properties

@@ -9,7 +9,7 @@ docker.mongodb.4.4.version=4.4.12
 docker.mongodb.5.0.version=5.0.6
 
 # Supported versions of Redis
-docker.redis.6.version=6.2.4
+docker.redis.6.version=6.2.6
 
 # Supported versions of Cassandra
 docker.cassandra.3.version=3.11.12