dns/opendnssec2: update 2.1.0 -> 2.1.1

• OPENDNSSEC-889: MySQL migration script didnt work for all database and MySQL versions.
• OPENDNSSEC-887: Segfault on extraneous tag.
• OPENDNSSEC-880: Command line parsing for import key command failed.
• OPENDNSSEC-890: Bogus signatures upon wrong zone input when TTLs for same rrset are mismatching.

PR: 218995
Submitted by: Jaap Akkerhuis <jaap@NLnetLabs.nl> (maintainer)