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-prompt-toolkit_3.0.19.bb

@@ -9,7 +9,7 @@ inherit pypi setuptools3
 
 PYPI_PACKAGE = "prompt_toolkit"
 
-RDEPENDS_${PN} += " \
+RDEPENDS:${PN} += " \
     ${PYTHON_PN}-core \
     ${PYTHON_PN}-six \
     ${PYTHON_PN}-terminal \