BREAKING CHANGE: Python 3.7 is not supported anymore

BREAKING CHANGE: AppImage is no longer available. This decision has been
made because it has become hard to maintain lately, and I don't have
time nor motivation to fix it.

Bumps [amannn/action-semantic-pull-request](https://github.com/amannn/action-semantic-pull-request) from 5.0.1 to 5.0.2.
- [Release notes](https://github.com/amannn/action-semantic-pull-request/releases)
- [Changelog](https://github.com/amannn/action-semantic-pull-request/blob/main/CHANGELOG.md)
- [Commits](https://github.com/amannn/action-semantic-pull-request/compare/v5.0.1...v5.0.2)

---
updated-dependencies:
- dependency-name: amannn/action-semantic-pull-request
  dependency-type: direct:production
  update-type: version-update:semver-patch
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Bumps [amannn/action-semantic-pull-request](https://github.com/amannn/action-semantic-pull-request) from 4 to 5.0.1.
- [Release notes](https://github.com/amannn/action-semantic-pull-request/releases)
- [Changelog](https://github.com/amannn/action-semantic-pull-request/blob/main/CHANGELOG.md)
- [Commits](https://github.com/amannn/action-semantic-pull-request/compare/v4...v5.0.1)

---
updated-dependencies:
- dependency-name: amannn/action-semantic-pull-request
  dependency-type: direct:production
  update-type: version-update:semver-major
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* chore(deps): bump babel from 2.10.2 to 2.10.3

Bumps [babel](https://github.com/python-babel/babel) from 2.10.2 to 2.10.3.
- [Release notes](https://github.com/python-babel/babel/releases)
- [Changelog](https://github.com/python-babel/babel/blob/master/CHANGES.rst)
- [Commits](https://github.com/python-babel/babel/compare/v2.10.2...v2.10.3)

---
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  dependency-type: direct:production
  update-type: version-update:semver-patch
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* chore: remove Babel verification check

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Jérôme Deuchnord <jerome@deuchnord.fr>

Bumps [actions/setup-python](https://github.com/actions/setup-python) from 3 to 4.
- [Release notes](https://github.com/actions/setup-python/releases)
- [Commits](https://github.com/actions/setup-python/compare/v3...v4)

---
updated-dependencies:
- dependency-name: actions/setup-python
  dependency-type: direct:production
  update-type: version-update:semver-major
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Bumps [actions/upload-artifact](https://github.com/actions/upload-artifact) from 2 to 3.
- [Release notes](https://github.com/actions/upload-artifact/releases)
- [Commits](https://github.com/actions/upload-artifact/compare/v2...v3)

---
updated-dependencies:
- dependency-name: actions/upload-artifact
  dependency-type: direct:production
  update-type: version-update:semver-major
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Bumps [actions/setup-python](https://github.com/actions/setup-python) from 2 to 3.
- [Release notes](https://github.com/actions/setup-python/releases)
- [Commits](https://github.com/actions/setup-python/compare/v2...v3)

---
updated-dependencies:
- dependency-name: actions/setup-python
  dependency-type: direct:production
  update-type: version-update:semver-major
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Bumps [actions/checkout](https://github.com/actions/checkout) from 2 to 3.
- [Release notes](https://github.com/actions/checkout/releases)
- [Changelog](https://github.com/actions/checkout/blob/main/CHANGELOG.md)
- [Commits](https://github.com/actions/checkout/compare/v2...v3)

---
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  dependency-type: direct:production
  update-type: version-update:semver-major
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BREAKING CHANGE: Docker support has been removed.
If you were using it, please migrate to [one of the other available options](https://kosmorro.space/cli/download/).

* chore(deps-dev): bump black from 21.7b0 to 21.8b0

Bumps [black](https://github.com/psf/black) from 21.7b0 to 21.8b0.
- [Release notes](https://github.com/psf/black/releases)
- [Changelog](https://github.com/psf/black/blob/main/CHANGES.md)
- [Commits](https://github.com/psf/black/commits)

---
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  dependency-type: direct:development
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* chore: update Black workflow

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Jérôme Deuchnord <jerome@deuchnord.fr>

* chore(deps-dev): bump black from 21.6b0 to 21.7b0

Bumps [black](https://github.com/psf/black) from 21.6b0 to 21.7b0.
- [Release notes](https://github.com/psf/black/releases)
- [Changelog](https://github.com/psf/black/blob/main/CHANGES.md)
- [Commits](https://github.com/psf/black/commits)

---
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  dependency-type: direct:development
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* ci: update Black version

Co-authored-by: dependabot[bot] <49699333+dependabot[bot]@users.noreply.github.com>
Co-authored-by: Jérôme Deuchnord <jerome@deuchnord.fr>

BREAKING CHANGE: on Ubuntu 20.04+, the `texlive-latex-extra` package is needed to generate the PDF output

BREAKING CHANGE: some methodes in Event and MoonPhase have been dropped
in favor of `enum.Enum`'s `name` and `value` properties.