bump dependencies

vendor/github.com/jesseduffield/go-getter/storage.go

@@ -0,0 +1,13 @@
+package getter
+
+// Storage is an interface that knows how to lookup downloaded directories
+// as well as download and update directories from their sources into the
+// proper location.
+type Storage interface {
+	// Dir returns the directory on local disk where the directory source
+	// can be loaded from.
+	Dir(string) (string, bool, error)
+
+	// Get will download and optionally update the given directory.
+	Get(string, string, bool) error
+}