unattended-upgrades: Migrate to use wheels

It still fails with
| pip._internal.exceptions.InstallationError: For req: unattended-upgrades==0.1. Unknown scheme key used in /mnt/b/yoe/master/build/tmp/work/core2-64-yoe-linux/unattended-upgrades/2.6-r0/git/dist/unattended_upgrades-0.1-py3-none-any.whl: etc (for file 'unattended_upgrades-0.1.data/etc/kernel/postinst.d/unattended-upgrades'). .data directory contents should be in subdirectories named with a valid scheme key (data, headers, platlib, purelib, scripts)

Signed-off-by: Khem Raj <raj.khem@gmail.com>

meta-oe/recipes-devtools/unattended-upgrades/unattended-upgrades_2.6.bb

@@ -13,13 +13,14 @@ SRCREV = "c6db6fad26a2b83ba301b52ff5dee98cef7558ca"
 
 S = "${WORKDIR}/git"
 
-inherit setuptools3
+inherit setuptools_build_meta
+PYPA_WHEEL = "${PIP_INSTALL_DIST_PATH}/${PIP_INSTALL_PACKAGE}-0.1-*.whl"
 
 DEPENDS += "apt intltool-native python3-distutils-extra-native"
 RDEPENDS:${PN} += "apt lsb-release python3-apt python3-core python3-datetime python3-email python3-fcntl python3-io python3-logging python3-stringold python3-syslog"
 
-do_install:prepend () {
-	cp -v ${S}/data/50unattended-upgrades.Debian ${S}/data/50unattended-upgrades
+do_configure:prepend () {
+	install -Dm 0644 ${S}/data/50unattended-upgrades.Debian ${S}/data/50unattended-upgrades
 }
 
 do_install:append () {