Upgrade macos CI to macos 15 (#248) #474

Job	Run time
windows / Test Windows	31s
ci / Build	4m 26s
macos / Test macOS	26s
ci / Lint	1m 20s
ci / Test (0)	7m 8s
ci / Test (1)	8m 11s
ci / Test (2)	7m 1s
ci / Test (3)	8m 48s
ci / Test (4)	5m 57s
ci / Test (5)	5m 21s
ci / Test (6)	4m 22s
ci / Test (7)	7m 13s
ci / Test (8)	4m 38s
ci / Test (9)	5m 18s
ci / Publish Unit Tests Results	1s
	1h 10m 41s

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