Convert to new override syntax

This is the result of automated script (0.9.1) conversion:

oe-core/scripts/contrib/convert-overrides.py .

converting the metadata to use ":" as the override character instead of "_".

Signed-off-by: Martin Jansa <Martin.Jansa@gmail.com>

meta-python/recipes-devtools/python/python3-websockets_9.1.bb

@@ -10,6 +10,6 @@ SRC_URI[sha256sum] = "276d2339ebf0df4f45df453923ebd2270b87900eda5dfd4a6b0cfa15f8
 
 BBCLASSEXTEND = "native nativesdk"
 
-RDEPENDS_${PN} = "\
+RDEPENDS:${PN} = "\
     ${PYTHON_PN}-asyncio \
 "