Only signal interrupt in interactive mode #504

Job	Run time
macOS-13 (release)	5m 11s
macOS-13 (release) SecureTransport	5m 23s
macOS-14 (release)	3m 24s
macOS-14 (release) SecureTransport	3m 20s
macOS-15 (release)	3m 14s
macOS-15 (release) SecureTransport	3m 19s
windows-latest (release) openssl	2m 23s
windows-latest (release)	2m 23s
windows-latest (4.2)	2m 28s
windows-latest (4.1) openssl	2m 49s
windows-latest (4.1)	4m 20s
windows-latest (3.6)	2m 44s
ubuntu-24.04 (devel)	4m 14s
ubuntu-24.04 (release)	5m 12s
ubuntu-22.04 (release)	3m 25s
ubuntu-20.04 (release) Ada-parser	4m 12s
	58m 1s

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