Ignoring seconds fractional part during auto-converting "date" or "time" property into BSON ISODate.

[dsvost]

rsyslog/plugins/ommongodb/ommongodb.c

Line 396 in 9bacc13

if (strptime(json_object_get_string(json), "%Y-%m-%dT%H:%M:%S:%Z", &tm) != NULL ) {

It would be great to be able convert ISO date string representation into actual BSON ISODate.
Also, we supposed convert string into ISO but assume that string use some different format. I think this one string 2019-10-20T12:00:19:UTC is not ISO enough :).