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-gunicorn_20.1.0.bb

@@ -11,7 +11,7 @@ SRC_URI += " \
 	file://run-ptest \
 "
 
-RDEPENDS_${PN}-ptest += " \
+RDEPENDS:${PN}-ptest += " \
 	${PYTHON_PN}-pytest \
 "
 
@@ -20,4 +20,4 @@ do_install_ptest() {
 	cp -rf ${S}/tests/* ${D}${PTEST_PATH}/tests/
 }
 
-RDEPENDS_${PN} += "${PYTHON_PN}-setuptools ${PYTHON_PN}-fcntl"
+RDEPENDS:${PN} += "${PYTHON_PN}-setuptools ${PYTHON_PN}-fcntl"