Update format action to use Xcode 16 (#3548) #6164

Job	Run time
Check Macro Compatibility	3m 14s
Check Macro Compatibility	3m 14s
Examples	17m 24s
Examples	18m 56s
xcodebuild (15) (test, IOS, 15.4)	25m 32s
xcodebuild (15) (test, IOS, 15.4)	25m 32s
Library (evolution)	4m 55s
Library (evolution)	4m 55s
xcodebuild (15) (test, MAC_CATALYST, 15.4)	26m 3s
xcodebuild (15) (test, MAC_CATALYST, 15.4)	26m 3s
xcodebuild (16) (test, IOS, 16.0)	4m 46s
xcodebuild (16) (test, IOS, 16.0)	4m 46s
xcodebuild (15) (test, MACOS, 15.4)	4m 57s
xcodebuild (15) (test, MACOS, 15.4)	4m 57s
xcodebuild (16) (test, MACOS, 16.0)	1m 43s
xcodebuild (16) (test, MACOS, 16.0)	1m 43s
xcodebuild (15) (test, TVOS, 15.4)	20m 1s
xcodebuild (15) (test, TVOS, 15.4)	20m 1s
xcodebuild (16) (IOS, 16.0)	4m 8s
xcodebuild (16) (IOS, 16.0)	4m 8s
xcodebuild (15) (test, VISIONOS, 15.4)	14m 56s
xcodebuild (15) (test, VISIONOS, 15.4)	14m 56s
xcodebuild (16) (MACOS, 16.0)	54s
xcodebuild (16) (MACOS, 16.0)	54s
xcodebuild (15) (test, WATCHOS, 15.4)	8m 43s
xcodebuild (15) (test, WATCHOS, 15.4)	8m 43s
xcodebuild (15) (IOS, 15.2)	15m 33s
xcodebuild (15) (IOS, 15.2)	15m 33s
xcodebuild (15) (MACOS, 15.2)	8m 10s
xcodebuild (15) (MACOS, 15.2)	8m 10s
	5h 23m 30s

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