Upgrade macos CI to macos 15 (#256) #474

Job	Run time
windows / Test Windows	42s
ci / Build	3m 34s
macos / Test macOS	25s
ci / Lint	54s
ci / Test (0)	5m 19s
ci / Test (1)	5m 33s
ci / Test (2)	8m 49s
ci / Test (3)	6m 57s
ci / Test (4)	6m 37s
ci / Test (5)	8m 30s
ci / Test (6)	5m 16s
ci / Test (7)	5m 16s
ci / Test (8)	6m 32s
ci / Test (9)	5m 54s
ci / Publish Unit Tests Results	1s
	1h 10m 19s

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