fix: ignore pax header "file"s in chart validation
fix: ignore pax header "file"s in chart validation

Signed-off-by: Geoff Baskwill <b1c1d8736f20db3fb6c1c66bb1455ed43909f0d8@geoffbaskwill.ca>

appscode/helm,SlickNik/helm,SlickNik/helm,jascott1/helm,appscode/helm,jascott1/helm