Update Changelog for Release v.4.3.0 #578

Job	Run time
docs	1m 9s
build	27s
format	27s
static-code-analysis	44s
test (ubuntu-latest, false, 3.8)	3m 10s
test (ubuntu-latest, false, 3.9)	3m 5s
test (ubuntu-latest, false, 3.10)	3m 12s
test (ubuntu-latest, false, 3.11)	3m 27s
test (ubuntu-latest, false, 3.12)	3m 48s
test (ubuntu-latest, false, pypy-3.8)	3m 39s
test (ubuntu-latest, false, pypy-3.9)	4m 15s
test (macos-latest, false, 3.8)	2m 19s
test (macos-latest, false, 3.9)	2m 8s
test (macos-latest, false, 3.10)	2m 20s
test (macos-latest, false, 3.11)	4m 18s
test (macos-latest, false, 3.12)	4m 10s
test (macos-latest, false, pypy-3.8)	3m 29s
test (macos-latest, false, pypy-3.9)	5m 34s
test (windows-latest, false, 3.8)	3m 55s
test (windows-latest, false, 3.9)	3m 27s
test (windows-latest, false, 3.10)	3m 24s
test (windows-latest, false, 3.11)	2m 24s
test (windows-latest, false, 3.12)	5m 40s
test (windows-latest, false, pypy-3.8)	8m 56s
test (windows-latest, false, pypy-3.9)	7m 28s
upload_pypi	0s
coveralls	7s
	1h 27m 2s

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