lots of reflection warnings

[nivekuil]

With my outstanding PR on 35a8c2f:

Reflection warning, jackdaw/streams/interop.clj:271:6 - call to method join on org.apache.kafka.streams.kstream.KStream can't be resolved (argument types: org.apache.kafka.streams.kstream.KStream, org.apache.kafka.streams.kstream.ValueJoiner, org.apache.kafka.streams.kstream.JoinWindows, org.apache.kafka.streams.kstream.Joined).
Reflection warning, jackdaw/streams/interop.clj:290:6 - call to method leftJoin on org.apache.kafka.streams.kstream.KStream can't be resolved (argument types: org.apache.kafka.streams.kstream.KStream, org.apache.kafka.streams.kstream.ValueJoiner, org.apache.kafka.streams.kstream.JoinWindows, org.apache.kafka.streams.kstream.Joined).
Reflection warning, jackdaw/streams/interop.clj:320:6 - call to method outerJoin on org.apache.kafka.streams.kstream.KStream can't be resolved (argument types: org.apache.kafka.streams.kstream.KStream, org.apache.kafka.streams.kstream.ValueJoiner, org.apache.kafka.streams.kstream.JoinWindows, org.apache.kafka.streams.kstream.Joined).
Reflection warning, jackdaw/streams/interop.clj:328:5 - call to method process on org.apache.kafka.streams.kstream.KStream can't be resolved (argument types: org.apache.kafka.streams.processor.api.ProcessorSupplier, unknown).
Reflection warning, jackdaw/admin.clj:36:32 - call to method deleteTopics on org.apache.kafka.clients.admin.AdminClient can't be resolved (argument types: unknown).
Reflection warning, jackdaw/admin.clj:36:26 - reference to field all can't be resolved.
Reflection warning, jackdaw/admin.clj:39:33 - call to method describeTopics on org.apache.kafka.clients.admin.AdminClient can't be resolved (argument types: unknown, org.apache.kafka.clients.admin.DescribeTopicsOptions).
Reflection warning, jackdaw/admin.clj:39:27 - reference to field all can't be resolved.