Update dependencies

Among others, this updates minio-go, so that the new "eu-west-3" zone
for AWS is supported.

vendor/golang.org/x/text/runes/example_test.go

@@ -0,0 +1,60 @@
+// Copyright 2014 The Go Authors. All rights reserved.
+// Use of this source code is governed by a BSD-style
+// license that can be found in the LICENSE file.
+
+package runes_test
+
+import (
+	"fmt"
+	"unicode"
+
+	"golang.org/x/text/runes"
+	"golang.org/x/text/transform"
+	"golang.org/x/text/unicode/norm"
+	"golang.org/x/text/width"
+)
+
+func ExampleRemove() {
+	t := transform.Chain(norm.NFD, runes.Remove(runes.In(unicode.Mn)), norm.NFC)
+	s, _, _ := transform.String(t, "résumé")
+	fmt.Println(s)
+
+	// Output:
+	// resume
+}
+
+func ExampleMap() {
+	replaceHyphens := runes.Map(func(r rune) rune {
+		if unicode.Is(unicode.Hyphen, r) {
+			return '|'
+		}
+		return r
+	})
+	s, _, _ := transform.String(replaceHyphens, "a-b‐c⸗d﹣e")
+	fmt.Println(s)
+
+	// Output:
+	// a|b|c|d|e
+}
+
+func ExampleIn() {
+	// Convert Latin characters to their canonical form, while keeping other
+	// width distinctions.
+	t := runes.If(runes.In(unicode.Latin), width.Fold, nil)
+	s, _, _ := transform.String(t, "ｱﾙｱﾉﾘｳ tech / アルアノリウ ｔｅｃｈ")
+	fmt.Println(s)
+
+	// Output:
+	// ｱﾙｱﾉﾘｳ tech / アルアノリウ tech
+}
+
+func ExampleIf() {
+	// Widen everything but ASCII.
+	isASCII := func(r rune) bool { return r <= unicode.MaxASCII }
+	t := runes.If(runes.Predicate(isASCII), nil, width.Widen)
+	s, _, _ := transform.String(t, "ｱﾙｱﾉﾘｳ tech / 中國 / 5₩")
+	fmt.Println(s)
+
+	// Output:
+	// アルアノリウ tech / 中國 / 5￦
+}