build: go 1.24

We were running behind and there were quite some deprecations to update.
This was mostly in the upstream copy/pasta package but seems quite
minimal.

vendor/github.com/docker/cli/opts/duration.go

@@ -46,7 +46,7 @@ func (d *DurationOpt) Set(s string) error {
 }
 
 // Type returns the type of this option, which will be displayed in `--help` output
-func (d *DurationOpt) Type() string {
+func (*DurationOpt) Type() string {
 	return "duration"
 }