fix proxy hostname unresolvable in k8s #273

Job	Run time
suites	1s
smoke (actions)	1m 4s
smoke (bundler-group-rules)	1m 24s
smoke (bundler-group-vendoring)	1m 29s
smoke (bundler)	1m 0s
smoke (cargo)	1m 27s
smoke (composer)	55s
smoke (docker)	44s
smoke (elm)	57s
smoke (go-close-pr)	1m 15s
smoke (go-group-rules)	1m 12s
smoke (go-security)	1m 9s
smoke (go-update-pr)	1m 12s
smoke (go)	1m 4s
smoke (gradle-version-catalog)	2m 7s
smoke (gradle)	49s
smoke (hex)	1m 24s
smoke (maven)	48s
smoke (npm-group-multiple)	2m 8s
smoke (npm-group-rules)	1m 18s
smoke (npm-group-semver)	1m 18s
smoke (npm-group-transitive)	1m 7s
smoke (npm-remove-transitive)	1m 19s
smoke (npm)	1m 32s
smoke (nuget)	53s
smoke (pip-compile)	3m 11s
smoke (pip)	1m 26s
smoke (pipenv)	1m 44s
smoke (pnpm)	1m 16s
smoke (poetry)	1m 33s
smoke (pub)	2m 52s
smoke (submodules)	58s
smoke (swift)	1m 52s
smoke (terraform)	51s
smoke (yarn-berry-workspaces)	1m 29s
smoke (yarn-berry)	1m 13s
smoke (yarn)	1m 26s
	49m 27s

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