Deprecated the old Extractor class as well

Also bump the library version so we can start porting the consumers of
this API.
3 jobs for master in 12 minutes and 55 seconds (queued for 205 minutes and 57 seconds)
Status Name Job ID Coverage
  Build
passed build_clazy_clang_tidy #97845

00:09:30

passed linux kf5-qt5 qt5.15 #97844

00:02:52

70.0%
 
  Test
passed reuse #97846

00:00:32