sdbus-cpp-0.8.3-bp153.1.1

- Initial packaging of version 0.8.3
- Imported from Fedora https://src.fedoraproject.org/rpms/systemd/blob/rawhide/f/systemd.spec
- Change source tarball name to sdbus-cpp-<version>.tar.gz
- Add 0001-Find-and-link-against-pthread.patch to fix build failure
- Use cmake_build doc, without --target, unsupported on SUSE
- Set CMAKE_INSTALL_DOCDIR to /usr/share/doc/packages/sdbus-c++ to match _docdir
- Explicitly list files in document page, wildcard not supported
- Use SPDX license identifier
- Set Group
- Add ldconfig post/postun
- Change main package name to libsdbus-c++0
- Move cmake files to -devel package
- Move changelog to sdbus-cpp.changes file
- Move AUTHORS/ChangeLog/NEWS/README to -devel package
- Apply changes from 'osc service localrun format_spec_file'
- Remove 'undefine __cmake_in_source_build', not needed
- Fix dependency from -devel/-bin packages to lib package