Disable `mkfifo` spec for interpreter (#14051) #2563

Job	Run time
check_format	1m 44s
deploy_api_docs	0s
x86_64-gnu-test-preview_mt	5m 16s
x86_64-gnu-test (1.7.3)	30m 5s
x86_64-musl-test	33m 10s
x86_64-gnu-test (1.8.2)	29m 45s
x86_64-gnu-test (1.9.2)	28m 46s
x86_64-gnu-test (1.10.1)	29m 16s
x86_64-gnu-test (1.0.0, FLAGS=-Dwithout_ffi USE_PCRE1=true)	30m 19s
x86_64-gnu-test (1.1.1, FLAGS=-Dwithout_ffi USE_PCRE1=true)	30m 31s
x86_64-gnu-test (1.2.2, USE_PCRE1=true)	31m 22s
x86_64-gnu-test (1.3.2, USE_PCRE1=true)	30m 18s
x86_64-gnu-test (1.4.1, USE_PCRE1=true)	31m 7s
x86_64-gnu-test (1.5.1, USE_PCRE1=true)	30m 5s
x86_64-gnu-test (1.6.2, USE_PCRE1=true)	30m 49s
	6h 12m 33s

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