Bump actions/setup-python from 6.1.0 to 6.2.0 #319

Job	Run time
config	18s
build (macOS)	58s
build (tvOS)	7m 20s
build (iOS)	6m 36s
build (watchOS)	6m 28s
build (visionOS)	5m 25s
CPython testbed (iOS)	4m 22s
CPython testbed (tvOS)	2m 55s
CPython testbed (visionOS)	1m 22s
Briefcase testbed (macOS)	1m 33s
Cross-platform env test (x86_64-iphonesimulator)	20s
Cross-platform env test (arm64-iphonesimulator)	21s
Briefcase testbed (iOS)	4m 57s
Cross-platform env test (arm64-iphoneos)	20s
config	18s
build (macOS)	58s
CPython testbed (visionOS)	4m 41s
build (iOS)	6m 36s
build (visionOS)	5m 25s
build (tvOS)	7m 20s
Cross-platform env test (arm64-iphonesimulator)	21s
build (watchOS)	6m 28s
Briefcase testbed (iOS)	4m 57s
Cross-platform env test (arm64-iphoneos)	20s
Briefcase testbed (macOS)	1m 33s
CPython testbed (iOS)	4m 22s
CPython testbed (tvOS)	2m 55s
Cross-platform env test (x86_64-iphonesimulator)	20s
	1h 29m 49s

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