Low: libsolv security and bug fix update (Oracle Linux 8)

[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