Fpylll

- `GSO.Mat(A, update=True)` is now a thing 201
- Fixing https://trac.sagemath.org/ticket/31146

The following people have contributed to this release (based on the link above):

- Martin Albrecht

Please report issues at

https://github.com/fplll/fpylll/issues

- use per-level enumeration counting API
- various bugfixes
- 187 Use GitHub Actions for CI (Martin Albrecht)
- 186 Update Docstring (Joe Rowell)
- 192 Add `install_requires` (Martin ALbrecht)
- 193 Better `bootstraph.sh` (Martin Albrecht and Marc Stevens)
- 190 Use Github Actions to publish Docker images to https://hub.docker.com/repository/docker/fplll/fpylll (Martin Albrecht)
- 195 Context (syntatic sugar) (Martin Albrecht)
- 188 Unit test for Gram Matrix algorithms (Joël Felderhoff)
- 194 `SVP.closest_vector` should do the right thing more often (Martin Albrecht)
- 196 Remove the Gauss sieve (Martin Albrecht)
- 189 Add probabilistic BKZ simulator from BSW18 (Fernando Virdia)

The following people have contributed to this release (based on the link above):

- Martin Albrecht
- Joe Rowell
- Marc Stevens
- Joël Felderhoff
- Fernando Virdia

Please report issues at

https://github.com/fplll/fpylll/issues