Bump isort from 5.13.2 to 6.0.0 #1772

Job	Run time
test / test	1m 21s
pypi	52s
version	18s
release-notes	5s
pyinstaller (macos-13) / pyinstaller	3m 6s
pyinstaller (macos-14) / pyinstaller	1m 22s
pyinstaller (windows-latest) / pyinstaller	4m 38s
package-prep	15s
package-metadata	4s
flatpak	38s
package-macos (macos-13)	34s
package-macos (macos-14)	35s
package-windows-msix	53s
package-windows	1m 8s
deploy-msstore	0s
pr-comment	3s
deploy-github	0s
	15m 52s

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