fix -doc pkg deps/recs

debian/control

@@ -57,8 +57,8 @@ Description: ${source:Synopsis}
 Package: libjackson2-modules-java8-java-doc
 Architecture: all
 Section: doc
-Depends: ${misc:Depends}, ${maven:Depends}
-Suggests: ${maven:OptionalDepends}
+Depends: ${misc:Depends}, ${maven:DocDepends}
+Recommends: ${maven:DocOptionalDepends}
 Description: ${source:Synopsis} - documentation
  ${source:Extended-Description}
  .