Add support for kustomize v4 (#1758)

We use kustomize in two places. One for turning kustomize into a chart, and another for patching manifests and the chart.

This fixes the former to work with kustomize v4.

Fixes #1688

go.mod

@@ -28,7 +28,7 @@ require (
 	github.com/spf13/cobra v1.1.1
 	github.com/tatsushid/go-prettytable v0.0.0-20141013043238-ed2d14c29939
 	github.com/urfave/cli v1.22.5
-	github.com/variantdev/chartify v0.7.0
+	github.com/variantdev/chartify v0.7.1
 	github.com/variantdev/dag v0.0.0-20191028002400-bb0b3c785363
 	github.com/variantdev/vals v0.13.0
 	go.uber.org/multierr v1.6.0

go.sum

@@ -575,6 +575,8 @@ github.com/variantdev/chartify v0.6.0 h1:QQ00a8Vtuhk6F9jeTZJEXV2g0zRXhYG43xovWZr
 github.com/variantdev/chartify v0.6.0/go.mod h1:qF4XzQlkfH/6k2jAi1hLas+lK4zSCa8kY+r5JdmLA68=
 github.com/variantdev/chartify v0.7.0 h1:LQU9bW734CPTIRRx9AG6rIolqW3GgbqaFZQTOCNOfn8=
 github.com/variantdev/chartify v0.7.0/go.mod h1:qF4XzQlkfH/6k2jAi1hLas+lK4zSCa8kY+r5JdmLA68=
+github.com/variantdev/chartify v0.7.1 h1:m03k/LDf1skLmOjX8Fj1QmnlaW84BD5iwi1EP56AvaU=
+github.com/variantdev/chartify v0.7.1/go.mod h1:qF4XzQlkfH/6k2jAi1hLas+lK4zSCa8kY+r5JdmLA68=
 github.com/variantdev/dag v0.0.0-20191028002400-bb0b3c785363 h1:KrfQBEUn+wEOQ/6UIfoqRDvn+Q/wZridQ7t0G1vQqKE=
 github.com/variantdev/dag v0.0.0-20191028002400-bb0b3c785363/go.mod h1:pH1TQsNSLj2uxMo9NNl9zdGy01Wtn+/2MT96BrKmVyE=
 github.com/variantdev/vals v0.13.0 h1:zdtTBjoWKkUGdFauxETkDVjqWXdjUNwI+ggWcUmpxv8=