Simple update to the latest release of ruby-tk. This release
supports Tk 9.0, so update MODTK_VERSION to 9.

Tested on amd64. Will be committing in a couple days unless I hear
objections.

Best,
Jeremy

Index: Makefile
===================================================================
RCS file: /cvs/ports/x11/ruby-tk/Makefile,v
retrieving revision 1.13
diff -u -p -r1.13 Makefile
--- Makefile	12 Jan 2025 19:17:16 -0000	1.13
+++ Makefile	14 Mar 2026 21:22:37 -0000
@@ -1,6 +1,6 @@
 COMMENT=		Ruby interface to the Tk graphical toolkit
 
-DISTNAME=		tk-0.5.1
+DISTNAME=		tk-0.6.0
 CATEGORIES=		x11
 
 HOMEPAGE=		https://github.com/ruby/tk
@@ -11,7 +11,7 @@ MAINTAINER=		Jeremy Evans <jeremy@openbs
 PERMIT_PACKAGE=	Yes
 
 MODULES=		lang/ruby x11/tk
-MODTK_VERSION=		8.6
+MODTK_VERSION=		9
 
 CONFIGURE_STYLE=	ruby gem ext
 
Index: distinfo
===================================================================
RCS file: /cvs/ports/x11/ruby-tk/distinfo,v
retrieving revision 1.6
diff -u -p -r1.6 distinfo
--- distinfo	12 Jan 2025 19:17:16 -0000	1.6
+++ distinfo	14 Mar 2026 21:22:37 -0000
@@ -1,2 +1,2 @@
-SHA256 (tk-0.5.1.gem) = sHmD93g3LwRTJYcJnAzJM+C8p9jxDjluotdQaeCRmCY=
-SIZE (tk-0.5.1.gem) = 1722368
+SHA256 (tk-0.6.0.gem) = 917mkZVtxI8/8nMMAYgI/IxEyvardVz3UshM7BDucoI=
+SIZE (tk-0.6.0.gem) = 1721344