conf: parsers: fix syslog-rfc5424 timestamp format
The timestamp in RFC 5424 conforms to RFC 3339 and it should accept
timezone, such as "2019-10-18T11:50:47.788+03:00". Without it all
timestamps from syslog input are treated as UTC.
Format regex
Regex ^\<(?<pri>[0-9]{1,5})\>1 (?<time>[^ ]+) (?<host>[^ ]+) (?<ident>[^ ]+) (?<pid>[-0-9]+) (?<msgid>[^ ]+) (?<extradata>(\[(.*)\]|-)) (?<message>.+)$
Time_Key time
- Time_Format %Y-%m-%dT%H:%M:%S.%L
+ Time_Format %Y-%m-%dT%H:%M:%S.%L%z
Time_Keep On
[PARSER]
