Merge pull request #1534 from groue/dev/singleton-rewrite #1189

Job	Run time
CustomSQLite (Xcode_14.3.1.app, macOS-13, Xcode 14.3.1)	7m 22s
SQLCipher3 (Xcode_14.3.1.app, macOS-13, Xcode 14.3.1)	10m 5s
SPM (Xcode_14.3.1.app, macOS-13, Xcode 14.3.1)	12m 48s
CustomSQLite (Xcode_14.0.1.app, macOS-12, Xcode 14.0.1)	14m 53s
SQLCipher3 (Xcode_14.0.1.app, macOS-12, Xcode 14.0.1)	8m 51s
Framework (Xcode_14.3.1.app, macOS-13, platform=macOS, macOS)	5m 50s
SPM (Xcode_14.2.app, macOS-13, Xcode 14.2)	11m 33s
Framework (Xcode_14.3.1.app, macOS-13, OS=16.4,name=iPhone 14 Pro, iOS)	8m 21s
SPM (Xcode_14.1.app, macOS-13, Xcode 14.1)	11m 26s
SQLCipher4 (Xcode_14.3.1.app, macOS-13, Xcode 14.3.1)	16m 33s
SPM (Xcode_14.0.1.app, macOS-12, Xcode 14.0.1)	25m 21s
Framework (Xcode_14.3.1.app, macOS-13, OS=16.4,name=Apple TV, tvOS)	8m 36s
SQLCipher4 (Xcode_14.0.1.app, macOS-12, Xcode 14.0.1)	32m 27s
Framework (Xcode_14.2.app, macOS-13, platform=macOS, macOS)	5m 53s
Framework (Xcode_14.2.app, macOS-13, OS=16.2,name=iPhone 14, iOS)	9m 14s
XCFramework (Xcode_14.3.1.app, macOS-13, Xcode 14.3.1)	7m 54s
Framework (Xcode_14.1.app, macOS-13, platform=macOS, macOS)	5m 31s
XCFramework (Xcode_14.0.1.app, macOS-12, Xcode 14.0.1)	14m 18s
Framework (Xcode_14.1.app, macOS-13, OS=16.1,name=iPhone 14, iOS)	8m 58s
Framework (Xcode_14.0.1.app, macOS-12, platform=macOS, macOS)	9m 0s
Framework (Xcode_14.0.1.app, macOS-12, OS=16.0,name=iPhone 14, iOS)	44m 33s
	4h 39m 27s

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