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-argexec_1.0.3.bb

@@ -8,7 +8,7 @@ SRC_URI[md5sum] = "448635948823309312ea9f70b30b6c2d"
 SRC_URI[sha256sum] = "61f9ae9322e38ae64996848421afbdb018239a99c4e796fe064f172d6c98c3bf"
 
 DEPENDS += "python3-setuptools-scm-native"
-RDEPENDS_${PN} += "\
+RDEPENDS:${PN} += "\
   python3-dynamic-dispatch \
   python3-typeguard \
 "