Update for c/image's update of github.com/gobuffalo/pop

> go get github.com/containers/image/v5@main
> go mod tidy -go=1.16 && go mod tidy -go=1.17
> make vendor

The (go mod tidy) pair is necessary to keep c/image CI working.

Signed-off-by: Miloslav Trmač <mitr@redhat.com>

vendor/golang.org/x/crypto/openpgp/armor/armor.go

@@ -23,12 +23,14 @@ import (
 // A Block represents an OpenPGP armored structure.
 //
 // The encoded form is:
-//    -----BEGIN Type-----
-//    Headers
 //
-//    base64-encoded Bytes
-//    '=' base64 encoded checksum
-//    -----END Type-----
+//	-----BEGIN Type-----
+//	Headers
+//
+//	base64-encoded Bytes
+//	'=' base64 encoded checksum
+//	-----END Type-----
+//
 // where Headers is a possibly empty sequence of Key: Value lines.
 //
 // Since the armored data can be very large, this package presents a streaming

vendor/golang.org/x/crypto/openpgp/armor/encode.go

@@ -96,7 +96,8 @@ func (l *lineBreaker) Close() (err error) {
 // trailer.
 //
 // It's built into a stack of io.Writers:
-//    encoding -> base64 encoder -> lineBreaker -> out
+//
+//	encoding -> base64 encoder -> lineBreaker -> out
 type encoding struct {
 	out       io.Writer
 	breaker   *lineBreaker