Remove macos 13 #307

Job	Run time
a11y-tests (ubuntu-latest, 3.12)	3m 41s
build PST docs (ubuntu-latest, 3.12)	1m 30s
run-pytest (ubuntu-latest, 3.9)	1m 22s
run-pytest (ubuntu-latest, 3.10)	1m 20s
build PST docs (macos-latest, 3.12)	3m 2s
run-pytest (ubuntu-latest, 3.11)	1m 35s
build PST docs (windows-latest, 3.12)	4m 23s
run-pytest (ubuntu-latest, 3.12)	1m 33s
build PST docs (ubuntu-latest, 3.9, 6.1)	1m 20s
run-pytest (ubuntu-24.04, 3.11)	1m 23s
run-pytest (ubuntu-24.04, 3.12)	1m 33s
run-pytest (macos-14, 3.10)	2m 40s
run-pytest (macos-14, 3.11)	2m 36s
run-pytest (macos-14, 3.12)	2m 34s
run-pytest (windows-latest, 3.9)	3m 0s
run-pytest (windows-latest, 3.10)	3m 40s
run-pytest (windows-latest, 3.11)	3m 6s
run-pytest (windows-latest, 3.12)	3m 7s
run-pytest (ubuntu-latest, 3.9, 6.1)	1m 34s
run-pytest (ubuntu-latest, 3.12, dev)	2m 2s
Check coverage	37s
lighthouse-audit	5m 6s
profiling	41s
	53m 25s

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