Update c/image from the main branch

> go get github.com/containers/image/v5@main
> make vendor

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

vendor/github.com/go-openapi/strfmt/ulid.go

@@ -15,9 +15,12 @@ import (
 
 // ULID represents a ulid string format
 // ref:
-//   https://github.com/ulid/spec
+//
+//	https://github.com/ulid/spec
+//
 // impl:
-//   https://github.com/oklog/ulid
+//
+//	https://github.com/oklog/ulid
 //
 // swagger:strfmt ulid
 type ULID struct {
@@ -89,7 +92,9 @@ func NewULIDZero() ULID {
 }
 
 // NewULID generates new unique ULID value and a error if any
-func NewULID() (u ULID, err error) {
+func NewULID() (ULID, error) {
+	var u ULID
+
 	obj := ulidEntropyPool.Get()
 	entropy, ok := obj.(io.Reader)
 	if !ok {