Update module github.com/spf13/cobra to v1.9.1

Author: renovate[bot]

go.mod

@@ -13,7 +13,7 @@ require (
 	github.com/shurcooL/httpfs v0.0.0-20190707220628-8d4bc4ba7749 // indirect
 	github.com/shurcooL/vfsgen v0.0.0-20200627165143-92b8a710ab6c
 	github.com/spf13/afero v1.3.1
-	github.com/spf13/cobra v1.0.0
+	github.com/spf13/cobra v1.9.1
 	github.com/spf13/pflag v1.0.5
 	github.com/spf13/viper v1.7.0
 	github.com/zserge/lorca v0.1.9