Fixing build for swift 6 #107

Job	Run time
Build on macOS (macos-13, /Applications/Xcode_14.3.1.app, 16.4, 9.4, Apple Watch Series 5 (40mm),...	26s
Build on Ubuntu (ubuntu-20.04, 5.8.1)	26s
Build on macOS (macos-13, /Applications/Xcode_15.0.1.app, 17.0.1, 10.0, Apple Watch Series 8 (41m...	27s
Build on Ubuntu (ubuntu-20.04, 5.9)	27s
Build on macOS (macos-14, /Applications/Xcode_15.1.app, 17.2, 10.2, Apple Watch Series 9 (41mm), ...	26s
Build on Ubuntu (ubuntu-20.04, 5.10)	27s
Build on Ubuntu (ubuntu-22.04, 5.8.1)	27s
Build on Ubuntu (ubuntu-22.04, 5.9)	31s
Build on macOS (macos-14, /Applications/Xcode_15.2.app, 17.2, 10.2, Apple Watch Series 9 (45mm), ...	23s
Build on Ubuntu (ubuntu-22.04, 5.10)	35s
Build on macOS (macos-15, /Applications/Xcode_16.1.app, 18.1, 11.1, Apple Watch Series 10 (46mm),...	8s
	4m 43s

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