app-containers/catatonit: Sync with Gentoo

It's from Gentoo commit 4b4ba23921db9ceaf475d879df63e7b6523362ef.

sdk_container/src/third_party/portage-stable/app-containers/catatonit/catatonit-9999.ebuild

@@ -0,0 +1,31 @@
+# Copyright 2022-2023 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+inherit autotools
+
+DESCRIPTION="A container init that is so simple it's effectively brain-dead"
+HOMEPAGE="https://github.com/openSUSE/catatonit"
+
+if [[ ${PV} == 9999* ]]; then
+	inherit git-r3
+	EGIT_REPO_URI="https://github.com/openSUSE/catatonit.git"
+else
+	SRC_URI="https://github.com/openSUSE/${PN}/archive/v${PV}.tar.gz -> ${P}.tar.gz"
+	KEYWORDS="~amd64 ~arm64 ~ppc64 ~riscv"
+fi
+
+LICENSE="GPL-2+"
+SLOT="0"
+
+src_prepare() {
+	default
+	eautoreconf
+}
+
+src_install() {
+	default
+	dodir /usr/libexec/podman
+	dosym -r /usr/bin/"${PN}" /usr/libexec/podman/"${PN}"
+}