feat: XDG taskrc config (#2380)

Co-authored-by: Valentin Maerten <maerten.valentin@gmail.com>

taskrc/node.go

@@ -1,10 +1,11 @@
 package taskrc
 
-import "github.com/go-task/task/v3/internal/fsext"
+import (
+	"github.com/go-task/task/v3/internal/fsext"
+)
 
 type Node struct {
 	entrypoint string
-	dir        string
 }
 
 func NewNode(
@@ -12,13 +13,11 @@ func NewNode(
 	dir string,
 ) (*Node, error) {
 	dir = fsext.DefaultDir(entrypoint, dir)
-	var err error
-	entrypoint, dir, err = fsext.Search(entrypoint, dir, defaultTaskRCs)
+	resolvedEntrypoint, err := fsext.SearchPath(dir, defaultTaskRCs)
 	if err != nil {
 		return nil, err
 	}
 	return &Node{
-		entrypoint: entrypoint,
-		dir:        dir,
+		entrypoint: resolvedEntrypoint,
 	}, nil
 }