package/python-webargs: add CPE variables

cpe:2.3:a:webargs_project:webargs is a valid CPE identifier for this
package:

  https://nvd.nist.gov/products/cpe/search/results?namingFormat=2.3&keyword=cpe%3A2.3%3Aa%3Awebargs_project%3Awebargs

Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>

package/python-webargs/python-webargs.mk

@@ -10,5 +10,7 @@ PYTHON_WEBARGS_SITE = https://files.pythonhosted.org/packages/4b/7d/fece8e6547b3
 PYTHON_WEBARGS_SETUP_TYPE = setuptools
 PYTHON_WEBARGS_LICENSE = MIT
 PYTHON_WEBARGS_LICENSE_FILES = LICENSE
+PYTHON_WEBARGS_CPE_ID_VENDOR = webargs_project
+PYTHON_WEBARGS_CPE_ID_PRODUCT = webargs
 
 $(eval $(python-package))