GitHub Actions workflow fixes #360

Job	Run time
Xcode 14.3 on macOS 13	1m 6s
Linux (5.7)	36s
Xcode 15.0 on macOS 13	11s
Linux (5.8)	42s
Linux (5.9)	35s
Linux (5.10)	36s
Xcode 15.4 on macOS 14	1s
Windows (swift-5.7.3-release, 5.7.3-RELEASE)	1m 40s
Xcode 13.3.1 on macOS 12	1s
Windows (swift-5.8.1-release, 5.8.1-RELEASE)	2m 3s
Xcode 13.4 on macOS 12	1s
Windows (swift-5.9.1-release, 5.9.1-RELEASE)	2m 23s
Xcode 14.0.1 on macOS 12	1s
Windows (swift-5.10.1-release, 5.10.1-RELEASE)	2m 3s
Xcode 14.1 on macOS 12	1s
Xcode 14.2 on macOS 12	1s
	12m 1s

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