reset chartpress versions #17

Job	Run time
lint_shell_scripts	49s
lint_and_validate_rendered_templates	10s
lint_and_validate_templates_with_schema	8s
lint_and_validate_templates_with_schema (v3.5.0)	7s
test (latest, install)	58s
test (stable, install, --set hub.image.name=quay.io/jupyterhub/k8s-hub-slim --set prePuller.hook....	1m 13s
test (v1.28, install, --set hub.existingSecret=test-hub-existing-secret --set proxy.secretToken=a...	1m 16s
test (v1.27, upgrade, stable, --set proxy.secretToken=aaaa1111 --set hub.cookieSecret=bbbb2222 --...	59s
test (v1.26, upgrade, dev, --set proxy.secretToken=aaaa1111 --set hub.db.type=sqlite-pvc --set si...	1m 10s
test (v1.25, upgrade, 2.0.0, --set proxy.secretToken=aaaa1111 --set hub.cookieSecret=bbbb2222 --s...	17s
	7m 7s

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