core

Update to Xcode 15.2 in CI workflows #2974

Job	Run time
catalyst	6m 14s
pod-lib-lint (ios, macos-12)	6m 1s
pod-lib-lint (ios, macos-13)	56m 38s
pod-lib-lint (tvos, macos-12)	4m 41s
spm (iOS, macos-12)	4m 55s
pod-lib-lint (tvos, macos-13)	8m 14s
spm (iOS, macos-13)	5m 57s
pod-lib-lint (macos --skip-tests, macos-12)	4m 49s
spm (tvOS, macos-12)	2m 58s
pod-lib-lint (macos --skip-tests, macos-13)	2m 41s
spm (tvOS, macos-13)	3m 58s
spm (macOS, macos-12)	4m 7s
pod-lib-lint (watchos, macos-12)	2m 38s
spm (macOS, macos-13)	2m 46s
pod-lib-lint (watchos, macos-13)	2m 42s
spm (catalyst, macos-12)	4m 10s
spm (catalyst, macos-13)	2m 33s
spm (watchOS, macos-12)	3m 58s
spm (watchOS, macos-13)	4m 56s
core-cron-only	0s
	2h 14m 56s

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