Reset `os.Stdin` after test #282

Job	Run time
suites	1s
smoke (actions)	51s
smoke (bundler-group-rules)	1m 10s
smoke (bundler-group-vendoring)	1m 4s
smoke (bundler)	53s
smoke (cargo)	1m 12s
smoke (composer)	1m 0s
smoke (docker)	49s
smoke (elm)	43s
smoke (go-close-pr)	45s
smoke (go-group-rules)	1m 5s
smoke (go-security)	1m 15s
smoke (go-update-pr)	1m 11s
smoke (go)	59s
smoke (gradle-version-catalog)	2m 34s
smoke (gradle)	54s
smoke (hex)	1m 17s
smoke (maven)	44s
smoke (npm-group-multiple)	1m 55s
smoke (npm-group-rules)	1m 39s
smoke (npm-group-semver)	1m 21s
smoke (npm-group-transitive)	1m 5s
smoke (npm-remove-transitive)	1m 6s
smoke (npm)	1m 19s
smoke (nuget)	34s
smoke (pip-compile)	2m 48s
smoke (pip)	1m 1s
smoke (pipenv)	1m 19s
smoke (pnpm)	1m 31s
smoke (poetry)	1m 20s
smoke (pub)	3m 4s
smoke (submodules)	44s
smoke (swift)	1m 43s
smoke (terraform)	59s
smoke (yarn-berry-workspaces)	54s
smoke (yarn-berry)	1m 11s
smoke (yarn)	1m 24s
	45m 24s

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