libsolv security and bug fix update

[0.7.19-1]

• Update to 0.7.19
• repo_add_conda: add flag to skip v2 packages
• fix rare segfault in resolve_jobrules() that could happen if new rules are learnt
• fix error handling in solv_xfopen_fd()
• fix memory leaks
  [0.7.17-2]
• Fix rpm dependency
  [0.7.17-1]
• Update to 0.7.17
• selected bug fixes:
  • repo_write: fix handling of nested flexarray
  • improve choicerule generation a bit more to cover more cases
  • harden testcase parser against repos being added too late
  • support python-3.10
  • check /var/lib/rpm macro in rpmdb code
• new features:
  • handle default/visible/langonly attributes in comps parser
  • support multiple collections in updateinfo parser
  • add ‘-D’ option in rpmdb2solv to set the dbpath