Update redis/img/redis.png, redis/dockerfile, redis/Dockerfile.exporter, redis/Jenkinsfile, redis/Jenkinsfile.redisExpoter, redis/Makefile, redis/config.properties, redis/README.md, redis/create-cluster.sh, redis/docker-compose-standalone.yaml, redis/docker-compose.yaml, redis/entrypoint.sh, redis/healthcheck.sh, redis/rcache.conf, redis/redisExpoter_config.properties, redis/setupMasterSlave.sh, .beagle.yml files

* Updating the base image to the latest

This updates the base alpine image to the latest which addresses
multiple known vulnerabilities
Signed-off-by: Andrew Thompson <andrew.thompson@crowdstrike.com>

* Fixing typo in README
Signed-off-by: Andrew Thompson <andrew.thompson@crowdstrike.com>
Signed-off-by: Andrew Thompson <andrew.thompson@crowdstrike.com>