Update dependencies (#5518)

vendor/github.com/BurntSushi/toml/deprecated.go

@@ -0,0 +1,21 @@
+package toml
+
+import (
+	"encoding"
+	"io"
+)
+
+// Deprecated: use encoding.TextMarshaler
+type TextMarshaler encoding.TextMarshaler
+
+// Deprecated: use encoding.TextUnmarshaler
+type TextUnmarshaler encoding.TextUnmarshaler
+
+// Deprecated: use MetaData.PrimitiveDecode.
+func PrimitiveDecode(primValue Primitive, v interface{}) error {
+	md := MetaData{decoded: make(map[string]struct{})}
+	return md.unify(primValue.undecoded, rvalue(v))
+}
+
+// Deprecated: use NewDecoder(reader).Decode(&value).
+func DecodeReader(r io.Reader, v interface{}) (MetaData, error) { return NewDecoder(r).Decode(v) }