Add support of the Well-known types and qt types libraries for qmake builds

[semlanik]

Problem description Add support of the Well-known types and qt types libraries for qmake builds

Suggestion/solution WellKnownTypes and QtTypes libraries need to generate own .pri files or add information to the pri file of the protobuf library, to be visible for qmake builds.

Alternatives Hold until migrating to Qt6.