sys-apps/azure-vm-utils: Sync with Gentoo

It's from Gentoo commit d4a88d92495bb58ef463eb15cb2dfe423dbfe84a.

sdk_container/src/third_party/portage-stable/sys-apps/azure-vm-utils/Manifest

@@ -1 +1,2 @@
 DIST azure-vm-utils-0.4.0.tar.gz 15688 BLAKE2B 4a8f5b28a01b3670d81cbc9ae43c24b6177d90ddc3bf6e78a3ccc7406361474d2aa7dce934709fdb73cc0930616475e79ef8484e05bf34354668909e5d8a1c96 SHA512 e97f6de49f0ee9281d17c2be0f4c0e0d86385d113fd514e28fc14f635669a1abdddd83961193941b6969b2b0d41a357e4211357f8c226d84f698166c2eb21b8e
+DIST azure-vm-utils-0.5.1.tar.gz 42064 BLAKE2B 3d5f2377f7791cf7c4ba9fbf5d1ef2d300c93b646162cb8f56cafa128a8a9c8eb333c02e61819e44b4063497886fa4426f8bb7d6d4639a02c94408a318798a43 SHA512 875d86536a128b4b5086d6ab3f76190002f29d9489bd31c742129c2e275f587d9b64de178634313fabb60a28ceee8a02307c4ebe9a9d5353c38096830512aa83

sdk_container/src/third_party/portage-stable/sys-apps/azure-vm-utils/azure-vm-utils-0.5.1.ebuild

@@ -0,0 +1,45 @@
+# Copyright 1999-2025 Gentoo Authors
+# Distributed under the terms of the GNU General Public License v2
+
+EAPI=8
+
+inherit cmake udev
+
+DESCRIPTION="Utilities and udev rules to support Linux on Azure"
+HOMEPAGE="https://github.com/Azure/azure-vm-utils"
+SRC_URI="https://github.com/Azure/${PN}/archive/refs/tags/v${PV}/${P}.tar.gz"
+LICENSE="MIT"
+SLOT="0"
+KEYWORDS="~amd64 ~arm64"
+IUSE="test"
+RESTRICT="!test? ( test )"
+
+DEPEND="
+	test? ( dev-util/cmocka )
+"
+
+src_configure() {
+	local mycmakeargs=(
+		-DUDEV_RULES_INSTALL_DIR="$(get_udevdir)/rules.d"
+		-DENABLE_TESTS=$(usex test)
+	)
+	cmake_src_configure
+}
+
+src_install() {
+	cmake_src_install
+
+	# Remove post-install test that only works on Azure.
+	rm -v \
+		"${ED}"/usr/sbin/azure-vm-utils-selftest \
+		"${ED}"/usr/share/man/man*/azure-vm-utils-selftest.* \
+		|| die
+}
+
+pkg_postinst() {
+	udev_reload
+}
+
+pkg_postrm() {
+	udev_reload
+}