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/ulimit.go

@@ -58,6 +58,6 @@ func (o *UlimitOpt) GetList() []*container.Ulimit {
 }
 
 // Type returns the option type
-func (o *UlimitOpt) Type() string {
+func (*UlimitOpt) Type() string {
 	return "ulimit"
 }