fix(deps): update redis docker tag to v6.2.4

Author: renovate-bot

cache/Dockerfile

@@ -2,6 +2,6 @@
 # an environment variable
 # See https://github.com/docker-library/redis/issues/46#issuecomment-211599210
 
-FROM redis:6.2.3
+FROM redis:6.2.4
 
 CMD ["sh", "-c", "exec redis-server --requirepass \"$REDIS_PASSWORD\""]