internal/rosa/make: migrate to helper interface

This also updates all affected artifacts to use new behaviour.

Signed-off-by: Ophestra <cat@gensokyo.uk>

internal/rosa/pkg-config.go

@@ -7,13 +7,12 @@ func (t Toolchain) newPkgConfig() pkg.Artifact {
 		version  = "0.29.2"
 		checksum = "gi7yAvkwo20Inys1tHbeYZ3Wjdm5VPkrnO0Q6_QZPCAwa1zrA8F4a63cdZDd-717"
 	)
-	return t.NewViaMake("pkg-config", version, pkg.NewHTTPGetTar(
-		nil,
-		"https://pkgconfig.freedesktop.org/releases/"+
+	return t.NewPackage("pkg-config", version, pkg.NewHTTPGetTar(
+		nil, "https://pkgconfig.freedesktop.org/releases/"+
 			"pkg-config-"+version+".tar.gz",
 		mustDecode(checksum),
 		pkg.TarGzip,
-	), &MakeAttr{
+	), nil, &MakeHelper{
 		Configure: [][2]string{
 			{"CFLAGS", "'-Wno-int-conversion'"},
 			{"with-internal-glib"},