Checkmk Werk 13433: Enable bakery to configure redis to use socket connection instead of tcp

ID: 13433 Title: Enable bakery to configure redis to use socket connection instead of tcp Component: Checks & agents Level: 1 Class: New feature Version: 2.2.0i1 The configuration file of mk_redis.py already had a way to specify a socket connection, but it was not possible to configure this via the bakery.