Bump ncipollo/release-action from 1.18.0 to 1.20.0 #262

Job	Run time
config	13s
build (iOS)	6m 41s
build (macOS)	1m 12s
build (visionOS)	4m 56s
build (tvOS)	5m 53s
build (watchOS)	9m 2s
CPython testbed (iOS)	4m 13s
Briefcase testbed (iOS)	6m 13s
CPython testbed (visionOS)	3m 36s
Briefcase testbed (macOS)	1m 33s
Cross-platform env test (arm64-iphonesimulator)	40s
Cross-platform env test (arm64-iphoneos)	36s
Cross-platform env test (x86_64-iphonesimulator)	36s
	45m 24s

Provide feedback