Bump version: 1.5.0 → 1.6.0 #140

Job	Run time
build	20s
tests / Load tox environments	5s
tests / codestyle (ubuntu-latest)	16s
tests / py38-test (ubuntu-latest)	2m 18s
tests / py313-test (ubuntu-latest)	2m 28s
tests / py37-test (macos-13)	3m 29s
tests / py310-test (macos-latest)	2m 55s
tests / py312-test (macos-latest)	2m 7s
tests / py39-test (windows-latest)	5m 19s
tests / py311-test (windows-latest)	5m 22s
tests / py38-notebooks (ubuntu-22.04)	2m 31s
tests / py37-notebooks (macos-13)	7m 31s
tests / py39-notebooks (windows-latest)	3m 54s
visual-regression-tests	0s
release	0s
	38m 35s

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