Pin to Kustomize v4.1.3 (#120)

Author: jmclean-starburst

go.mod

@@ -9,21 +9,26 @@ require (
 	github.com/Azure/go-autorest/autorest/azure/auth v0.4.2 // indirect
 	github.com/evanphx/json-patch v4.9.0+incompatible // indirect
 	github.com/fatih/color v1.9.0 // indirect
+	github.com/go-openapi/spec v0.19.5 // indirect
+	github.com/go-openapi/strfmt v0.19.5 // indirect
 	github.com/go-openapi/swag v0.19.6 // indirect
+	github.com/go-openapi/validate v0.19.8 // indirect
 	github.com/google/go-cmp v0.5.2 // indirect
 	github.com/howeyc/gopass v0.0.0-20190910152052-7cb4b85ec19c // indirect
+	github.com/imdario/mergo v0.3.7 // indirect
 	github.com/konsorten/go-windows-terminal-sequences v1.0.2 // indirect
 	github.com/kr/text v0.2.0 // indirect
 	github.com/lib/pq v1.3.0 // indirect
+	github.com/markbates/pkger v0.17.1 // indirect
 	github.com/mattn/go-isatty v0.0.12 // indirect
 	github.com/niemeyer/pretty v0.0.0-20200227124842-a10e7caefd8e // indirect
 	github.com/pkg/errors v0.9.1
-	github.com/stretchr/testify v1.6.1 // indirect
 	go.mozilla.org/sops/v3 v3.7.1
 	golang.org/x/text v0.3.4 // indirect
 	golang.org/x/xerrors v0.0.0-20200804184101-5ec99f83aff1 // indirect
 	gopkg.in/check.v1 v1.0.0-20200227125254-8fa46927fb4f // indirect
 	gopkg.in/ini.v1 v1.52.0 // indirect
-	sigs.k8s.io/kustomize/api v0.8.7
+	sigs.k8s.io/kustomize/api v0.8.10
+	sigs.k8s.io/kustomize/kustomize/v4 v4.1.3 // indirect
 	sigs.k8s.io/yaml v1.2.0
 )