feat(anta): Add Markdown report option to ANTA

[carl-baillargeon]

Description

Added _results_per_status as a cached property to fetch results faster.

anta nrfu md-report --md-output ./anta_md_report.md
anta nrfu md-report --md-output ./anta_md_report.md --only_failed_tests

Fixes # (issue id)

Checklist:

• [X] My code follows the style guidelines of this project
• [X] I have performed a self-review of my code
• [X] I have run pre-commit for code linting and typing (pre-commit run)
• [x] I have made corresponding changes to the documentation
• [x] I have added tests that prove my fix is effective or that my feature works
• [x] New and existing unit tests pass locally with my changes (tox -e testenv)

[titom73]

We should discuss how we want to add new outputs to make it consistent across multiple PRs

Linked to PR #672

[mtache]

I don't think this PR requires #649 since it is not about refactoring the ANTA Runner. You can still benchmark CLI output options if you want to improve their performances but this PR introduces a new format so nothing to be compared with.

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[sonarcloud[bot]]

Quality Gate passed

Issues
1 New issue
0 Accepted issues

Measures
0 Security Hotspots
98.5% Coverage on New Code
0.0% Duplication on New Code

See analysis details on SonarCloud