test

Create devcontainer.json #466

Job	Run time
Benchmark	2m 33s
Test examples	59s
Test Swift 5 language mode (0)	51s
Test (15.4, ios)	1m 32s
Test Swift 5 language mode (1)	1m 34s
Test upcoming features with Xcode 15	3m 34s
Test (15.4, macos)	46s
Validation	5m 32s
Test (15.4, tvos)	53s
Test (15.4, watchos)	2m 1s
Test (16.1, ios)	1m 29s
Test (16.1, macos)	1m 0s
Test (16.1, tvos)	1m 17s
Test (16.1, watchos)	1m 31s
	25m 32s

Provide feedback