v6.0.0: Final release notes #3251

Job	Run time
Generate test matrix	7s
Test (ubuntu-20.04, 3.11)	2m 39s
Test (ubuntu-20.04, 3.10)	2m 39s
Test (ubuntu-22.04, 3.11)	2m 56s
Test (ubuntu-22.04, 3.10)	2m 49s
Test (windows-latest, 3.11)	9m 0s
Test (windows-latest, 3.10)	7m 5s
Test (macos-13, 3.11)	2m 47s
Test (macos-13, 3.10)	3m 27s
Test (macos-latest, 3.11)	1m 43s
Test (macos-latest, 3.10)	1m 44s
Test (ubuntu-latest, 3.11)	6m 13s
Test (ubuntu-latest, 3.10)	2m 32s
Installer (ubuntu-20.04, 3.11)	8m 15s
Installer (ubuntu-22.04, 3.11)	8m 49s
Installer (windows-latest, 3.11)	21m 2s
Installer (macos-13, 3.11)	27m 27s
Installer (macos-latest, 3.11)	18m 4s
Test installer (windows-latest, 3.11)	2m 4s
Test installer (ubuntu-20.04, 3.11)	1m 38s
	2h 13m 0s

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