tests

[MAIN] update gh-action runner from macOS12 to macOS14 #1020

Job	Run time
build-and-test-pip (3.9, ubuntu-latest)	3m 29s
build-and-test-pip (3.10, ubuntu-latest)	3m 29s
doctests (3.10, ubuntu-latest)	3m 16s
build-and-test-pip (3.11, ubuntu-latest)	3m 28s
build-and-test-pip (3.12, ubuntu-latest)	3m 28s
test-conda (3.11, ubuntu-latest)	3m 29s
docs (ubuntu-latest)	3m 29s
test-pip (3.11, windows-latest)	3m 16s
conda (3.11, macos-13)	3m 28s
test-pip-MPI (3.9, ubuntu-latest)	3m 21s
conda (3.11, macos-14)	3m 31s
	37m 44s

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