Bump to version 4.3.0 #3004

Job	Run time
Unit Tests + Kernel (Python 3.13)	4m 26s
check-types (3.11)	2m 24s
check-linting (3.10)	2m 30s
check-linting (3.11)	2m 20s
Unit Tests (Python 3.9, default deps)	4m 3s
check-types (3.14)	17m 41s
Unit Tests + Kernel (Python 3.14)	19m 45s
check-linting (3.12)	2m 15s
Unit Tests + PyArrow (Python 3.14, default deps)	19m 55s
Unit Tests (Python 3.14, default deps)	18m 40s
Unit Tests (Python 3.11, default deps)	4m 1s
Unit Tests + Kernel (Python 3.10)	4m 16s
Unit Tests + PyArrow (Python 3.9, min deps)	4m 43s
Unit Tests + PyArrow (Python 3.11, default deps)	4m 20s
Unit Tests + PyArrow (Python 3.14, min deps)	19m 4s
Unit Tests + PyArrow (Python 3.13, default deps)	4m 16s
Unit Tests (Python 3.10, min deps)	4m 23s
Unit Tests (Python 3.10, default deps)	3m 50s
Unit Tests + PyArrow (Python 3.10, min deps)	5m 50s
Unit Tests + PyArrow (Python 3.9, default deps)	4m 54s
Unit Tests (Python 3.11, min deps)	4m 20s
check-types (3.9)	2m 42s
check-types (3.10)	2m 28s
check-linting (3.14)	17m 12s
Unit Tests (Python 3.13, default deps)	3m 53s
Unit Tests (Python 3.14, min deps)	18m 39s
Unit Tests + PyArrow (Python 3.12, default deps)	4m 14s
Unit Tests + Kernel (Python 3.11)	4m 17s
Unit Tests (Python 3.9, min deps)	4m 9s
check-types (3.13)	2m 28s
Unit Tests + PyArrow (Python 3.11, min deps)	4m 37s
check-types (3.12)	2m 25s
Unit Tests + PyArrow (Python 3.10, default deps)	4m 12s
Unit Tests + Kernel (Python 3.12)	4m 17s
Unit Tests (Python 3.12, default deps)	3m 49s
check-linting (3.9)	2m 4s
check-linting (3.13)	2m 7s
	4h 1m 29s

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