0.71.0

• New features:

  • PGP: Use new librepo PGP API, remove gpgme dependency
  • API: Basic support for OpenPGP public keys
  • Make code C++20 compatible

• Bug fixes:

  • Avoid using GNU extensions in the dependency splitter regex
  • filterAdvisory: match installed_solvables sort with lower_bound (RhBug:2212838)