Work in progress on compose-go v2

As explained in #102, the compose-go package changes types and needs
massive changes.
This branches is OK for now, but needs some tests.
It MUST be quickly fixed to be integrated in main branch.

generator/values.go

@@ -3,7 +3,7 @@ package generator
 import (
 	"strings"
 
-	"github.com/compose-spec/compose-go/types"
+	"github.com/compose-spec/compose-go/v2/types"
 )
 
 // RepositoryValue is a docker repository image and tag that will be saved in values.yaml.