package/supervisor: add SUPERVISOR_CPE_ID_VENDOR

cpe:2.3:a:supervisord:supervisor is a valid CPE identifier for this
package:

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

Signed-off-by: Fabrice Fontaine <fontaine.fabrice@gmail.com>
Signed-off-by: Yann E. MORIN <yann.morin.1998@free.fr>

package/supervisor/supervisor.mk

@@ -8,6 +8,7 @@ SUPERVISOR_VERSION = 4.1.0
 SUPERVISOR_SITE = https://files.pythonhosted.org/packages/de/87/ee1ad8fa533a4b5f2c7623f4a2b585d3c1947af7bed8e65bc7772274320e
 SUPERVISOR_LICENSE = BSD-like, rdflib (http_client.py), PSF (medusa)
 SUPERVISOR_LICENSE_FILES = COPYRIGHT.txt LICENSES.txt
+SUPERVISOR_CPE_ID_VENDOR = supervisord
 SUPERVISOR_SETUP_TYPE = setuptools
 
 define SUPERVISOR_INSTALL_CONF_FILES