…ew release. (#7)

Switch to python3. Fix #2.
Build packages using AlmaLinux 8 and 9. Prepare new release. Fix #6. Fix #3.

```markdown
## [2.1.0] - 2023-03-17

### Added

- Build and release packages using AlmaLinux 8 and 9. (#7) (Baptiste Grenier)

### Changed

- Switch to python3. (#7) (Enol Fernandez)

### Fixed

- Fix tests. (#7) (Enol Fernandez)
```