Fixed maven build and workflow execution in "o.e.s.model.thing".

Signed-off-by: Alex Tugarev <telekom@tugarev.de>
Generated Thing DSL.

Signed-off-by: Alex Tugarev <telekom@tugarev.de>
Regenerated Thing DSL.

Signed-off-by: Alex Tugarev <telekom@tugarev.de>