package/composer: add COMPOSER_CPE_ID_VENDOR

cpe:2.3:a:getcomposer:composer is a valid identifier for
this package:
https://nvd.nist.gov/products/cpe/search/results?namingFormat=2.3&keyword=getcomposer

Signed-off-by: Clément Ramirez <clement.ramirez@bootlin.com>
Signed-off-by: Thomas Petazzoni <thomas.petazzoni@bootlin.com>

package/composer/composer.mk

@@ -13,6 +13,7 @@ BASE_SITE = https://getcomposer.org/download/$(COMPOSER_VERSION)/composer.phar
 COMPOSER_SITE = $(BASE_SITE)?n=f/$(COMPOSER_SOURCE)
 COMPOSER_LICENSE = MIT
 COMPOSER_LICENSE_FILES = LICENSE
+COMPOSER_CPE_ID_VENDOR = getcomposer
 
 HOST_COMPOSER_DEPENDENCIES = host-php
 HOST_COMPOSER_EXTRACT_DEPENDENCIES = host-php