fix(pkg/action): Allow name re-use for helm template

Signed-off-by: Ian Howell <ian.howell0@gmail.com>

pkg/action/install.go

@@ -274,6 +274,10 @@ func (i *Install) availableName() error {
 		return errors.Errorf("release name %q exceeds max length of %d", start, releaseNameMaxLen)
 	}
 
+	if i.DryRun {
+		return nil
+	}
+
 	h, err := i.cfg.Releases.History(start)
 	if err != nil || len(h) < 1 {
 		return nil