python3: fix CVE-2021-3177

(From OE-Core rev: 2ed4f61e9d694fef8ff72b8eeb2163634e96c3bb)

Signed-off-by: Anuj Mittal <anuj.mittal@intel.com>
Signed-off-by: Richard Purdie <richard.purdie@linuxfoundation.org>

meta/recipes-devtools/python/python3_3.9.1.bb

@@ -29,6 +29,7 @@ SRC_URI = "http://www.python.org/ftp/python/${PV}/Python-${PV}.tar.xz \
            file://0001-Makefile-do-not-compile-.pyc-in-parallel.patch \
            file://0020-configure.ac-setup.py-do-not-add-a-curses-include-pa.patch \
            file://0001-Lib-sysconfig.py-use-libdir-values-from-configuratio.patch \
+           file://CVE-2021-3177.patch \
            "
 
 SRC_URI_append_class-native = " \