python3-rich: Add native and nativesdk target to the build

Add the native and nativesdk target to the recipe.

Signed-off-by: Luca Fancellu <luca.fancellu@arm.com>
Signed-off-by: Khem Raj <raj.khem@gmail.com>

meta-python/recipes-extended/python-rich/python3-rich_14.0.0.bb

@@ -17,3 +17,5 @@ RDEPENDS:${PN} = "python3-html \
                   python3-pygments \
                   python3-unixadmin \
                   "
+
+BBCLASSEXTEND = "native nativesdk"