feature(LogEvent): do not allow abuse .* regex
feature(LogEvent): do not allow abuse .* regex

These regex work very slow, on big log message pattern evaluation can take >1s
 in order to keep log reading fast we must avoid them at all costs

scylladb/scylla-cluster-tests,scylladb/scylla-longevity-tests,scylladb/scylla-cluster-tests,scylladb/scylla-cluster-tests,scylladb/scylla-cluster-tests,scylladb/scylla-longevity-tests,scylladb/scylla-cluster-tests,scylladb/scylla-longevity-tests