GitHub Action: support macOS 15 #4985

Job	Run time
FreeBSD Debug x86_64	7m 12s
Windows Debug x64 (msvc)	5m 36s
FreeBSD Release x86_64	9m 32s
Ubuntu Debug amd64 (gcc)	1m 55s
Windows Debug x86 (msvc)	6m 33s
OpenBSD Debug x86_64	11m 19s
Ubuntu Release amd64 (gcc)	5m 32s
Windows Mixed x64 (msvc)	5m 8s
OpenBSD Release x86_64	10m 6s
Ubuntu Debug amd64 (clang)	2m 51s
Windows Mixed x86 (msvc)	4m 50s
Windows Release x64 (msvc)	10m 15s
NetBSD Debug x86_64	11m 18s
Ubuntu Release amd64 (clang)	2m 45s
Windows Release x86 (msvc)	9m 29s
NetBSD Release x86_64	11m 21s
Alpine Debug x86_64 (gcc)	6m 44s
Windows Release Master Gold x64 (msvc)	9m 24s
Alpine Release x86_64 (gcc)	8m 41s
Windows Release Master Gold x86 (msvc)	8m 28s
Alpine Debug x86 (gcc)	7m 26s
Alpine Release x86 (gcc)	9m 34s
Fedora Debug x86_64 (gcc)	6m 3s
Fedora Release x86_64 (gcc)	6m 19s
macOS Debug x86_64 (clang)	4m 19s
macOS Release x86_64 (clang)	6m 30s
macOS Debug arm64 (clang)	4m 1s
macOS Release arm64 (clang)	3m 59s
macOS Debug arm64 (clang)	4m 7s
macOS Release arm64 (clang)	5m 8s
	3h 26m 25s

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