textproc/ruby-csv: not for ruby40

Ruby 4.0.1 has the same version as bundled gem.

Author: taca

textproc/ruby-csv/Makefile

@@ -1,4 +1,4 @@
-# $NetBSD: Makefile,v 1.20 2025/06/04 13:58:54 taca Exp $
+# $NetBSD: Makefile,v 1.21 2026/02/09 07:51:35 taca Exp $
 
 DISTNAME=	csv-3.3.5
 CATEGORIES=	textproc
@@ -10,5 +10,8 @@ LICENSE=	2-clause-bsd
 
 USE_LANGUAGES=	# none
 
+# Ruby 4.0.1 has the same version as bundled gem.
+RUBY_VERSIONS_ACCEPTED=	32 33 34
+
 .include "../../lang/ruby/gem.mk"
 .include "../../mk/bsd.pkg.mk"