PICARD-2607: Add a “_genre” variable #6000

Job	Run time
pip-install (macos-12, 3.9)	1m 6s
test-latest (macos-12, 3.9)	2m 23s
pip-install (macos-12, 3.12)	1m 7s
pip-install (ubuntu-latest, 3.9)	1m 6s
test-latest (macos-12, 3.10)	1m 12s
test-latest (macos-12, 3.11)	1m 7s
pip-install (ubuntu-latest, 3.12)	1m 33s
test-latest (macos-12, 3.12)	1m 19s
pip-install (windows-latest, 3.9)	56s
test-latest (ubuntu-latest, 3.9)	2m 19s
pip-install (windows-latest, 3.12)	1m 4s
test-latest (ubuntu-latest, 3.10)	1m 11s
test-latest (ubuntu-latest, 3.11)	1m 3s
test-latest (ubuntu-latest, 3.12)	1m 2s
test-requirements (ubuntu-latest, 3.9, PyQt6==6.5.3 PyQt6-Qt6==6.5.3 mutagen==1.37 python-dateuti...	48s
test-latest (windows-2019, 3.9)	1m 40s
test-requirements (ubuntu-latest, 3.9, PyQt6>=6.5.3 mutagen~=1.37 python-dateutil~=2.7 PyYAML~=6....	38s
test-latest (windows-2019, 3.10)	2m 6s
test-requirements (ubuntu-latest, 3.9, PyQt6>=6.5.3 mutagen~=1.37 python-dateutil~=2.7 PyYAML~=6....	1m 26s
test-latest (windows-2019, 3.11)	2m 11s
test-requirements (ubuntu-latest, 3.9, PyQt6>=6.5.3 mutagen~=1.37 python-dateutil~=2.7 PyYAML~=6....	41s
test-latest (windows-2019, 3.12)	2m 11s
test-requirements (ubuntu-latest, 3.9, PyQt6>=6.5.3 mutagen~=1.37 python-dateutil~=2.7 PyYAML~=6....	30s
	30m 39s

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