dev-ruby/rack-openid: enable ruby31

Signed-off-by: Sam James <sam@gentoo.org>

dev-ruby/rack-openid/rack-openid-1.4.2-r1.ebuild

@@ -1,9 +1,9 @@
-# Copyright 1999-2021 Gentoo Authors
+# Copyright 1999-2023 Gentoo Authors
 # Distributed under the terms of the GNU General Public License v2
 
 EAPI=8
 
-USE_RUBY="ruby26 ruby27 ruby30"
+USE_RUBY="ruby27 ruby30 ruby31"
 
 RUBY_FAKEGEM_TASK_DOC=""
 RUBY_FAKEGEM_EXTRADOC="Readme.md"
@@ -14,11 +14,10 @@ inherit ruby-fakegem
 DESCRIPTION="Provides a more HTTPish API around the ruby-openid library"
 SRC_URI="https://github.com/grosser/${PN}/archive/v${PV}.tar.gz -> ${P}.tar.gz"
 HOMEPAGE="https://github.com/grosser/rack-openid"
-LICENSE="MIT"
 
-KEYWORDS="~amd64 ~x86"
+LICENSE="MIT"
 SLOT="0"
-IUSE=""
+KEYWORDS="~amd64 ~x86"
 
 ruby_add_rdepend ">=dev-ruby/ruby-openid-2.1.8 >=dev-ruby/rack-1.1.0:*"