Bump actions/setup-python from 5 to 6 #7311

Job	Run time
test-requirements (ubuntu-latest, 3.10, PyQt6>=6.5.3 mutagen~=1.45 python-dateutil~=2.7 PyYAML~=6...	54s
test-requirements (ubuntu-latest, 3.10, PyQt6>=6.5.3 mutagen~=1.45 python-dateutil~=2.7 PyYAML~=6...	1m 0s
test-requirements (ubuntu-latest, 3.10, PyQt6==6.5.3 PyQt6-Qt6==6.5.3 mutagen==1.45 python-dateut...	1m 5s
pip-install (ubuntu-latest, >=3.13.5 <3.14)	1m 18s
pip-install (macos-13, 3.10)	1m 7s
pip-install (macos-13, >=3.13.5 <3.14)	1m 54s
pip-install (ubuntu-latest, 3.10)	2m 48s
test-requirements (ubuntu-latest, 3.10, PyQt6>=6.5.3 mutagen~=1.45 python-dateutil~=2.7 PyYAML~=6...	59s
test-latest (macos-13, 3.10)	1m 29s
test-requirements (ubuntu-latest, 3.10, PyQt6>=6.5.3 mutagen~=1.45 python-dateutil~=2.7 PyYAML~=6...	56s
pip-install (windows-latest, >=3.13.5 <3.14)	1m 27s
test-latest (macos-13, >=3.13.5 <3.14)	1m 16s
test-latest (macos-13, 3.11)	2m 27s
test-latest (ubuntu-latest, 3.11)	1m 28s
test-latest (ubuntu-latest, >=3.13.5 <3.14)	1m 22s
test-latest (ubuntu-latest, 3.10)	1m 29s
test-latest (macos-13, 3.12)	1m 22s
test-latest (windows-2022, 3.11)	1m 48s
test-latest (windows-2022, 3.12)	1m 52s
test-latest (windows-2022, 3.10)	2m 4s
test-latest (ubuntu-latest, 3.14.0-beta.3)	2m 57s
pip-install (windows-latest, 3.10)	1m 27s
test-latest (windows-2022, >=3.13.5 <3.14)	1m 49s
test-latest (ubuntu-latest, 3.12)	1m 23s
	37m 41s

Provide feedback