Update Code of Conduct #289

Job	Run time
config	11s
build (macOS)	50s
build (tvOS)	7m 57s
build (visionOS)	4m 15s
build (iOS)	9m 23s
build (watchOS)	6m 56s
CPython testbed (visionOS)	5m 15s
Briefcase testbed (macOS)	1m 18s
CPython testbed (tvOS)	2m 4s
CPython testbed (iOS)	5m 1s
Briefcase testbed (iOS)	6m 21s
Cross-platform env test (arm64-iphoneos)	17s
Cross-platform env test (arm64-iphonesimulator)	20s
Cross-platform env test (x86_64-iphonesimulator)	16s
	50m 24s

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