Automatic update for libvarlink-21-2.fc35.

Changelog

* Tue Feb 23 2021 Harald Hoyer <harald@redhat.com> - 21-2
- fixed changelog date inserted by packit with de_DE locale
* Tue Feb 23 2021 Harald Hoyer <harald@redhat.com> - 21-1
- ci: add .packit.yaml (Harald Hoyer)
- version 21 (Harald Hoyer)
- fix: use strtod_l (Harald Hoyer)
- fix: return VARLINK_ERROR_PANIC on float Inf or NaN (Harald Hoyer)
- tests: add test with de_DE.UTF-8 locale (Harald Hoyer)
- ci: install de_DE.UTF-8 locale (Harald Hoyer)
- fix: correct the float number parsing for some locales (Harald Hoyer)
- tests: print error log on `make check` (Harald Hoyer)
- docs: update README.md (Harald Hoyer)
* Thu Feb 18 2021 Harald Hoyer <harald@redhat.com> - 20-1
- libvarlink 20
* Tue Jan 26 2021 Fedora Release Engineering <releng@fedoraproject.org> - 19-5
- Rebuilt for https://fedoraproject.org/wiki/Fedora_34_Mass_Rebuild
* Thu Dec 10 2020 Stephen Gallagher <sgallagh@redhat.com> - 19-4
- Fix builds when git is present in the buildroot
- Fixes https://github.com/varlink/libvarlink/issues/22
* Tue Jul 28 2020 Fedora Release Engineering <releng@fedoraproject.org> - 19-3
- Rebuilt for https://fedoraproject.org/wiki/Fedora_33_Mass_Rebuild
* Tue Jun 30 2020 Jeff Law <law@redhat.com> - 19-2
Disable LTO
* Fri Mar  6 2020 Harald Hoyer <harald@redhat.com> - 19-1
- libvarlink 19
* Wed Jan 29 2020 Fedora Release Engineering <releng@fedoraproject.org> - 18-3
- Rebuilt for https://fedoraproject.org/wiki/Fedora_32_Mass_Rebuild
* Thu Jul 25 2019 Fedora Release Engineering <releng@fedoraproject.org> - 18-2
- Rebuilt for https://fedoraproject.org/wiki/Fedora_31_Mass_Rebuild
* Wed May 22 2019 Harald Hoyer <harald@redhat.com> - 18-1
- libvarlink 18