package/zeek: add ZEEK_CPE_ID_VENDOR

cpe:2.3:a:zeek:zeek is a valid CPE identifier for this package:

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

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

package/zeek/zeek.mk

@@ -17,6 +17,7 @@ ZEEK_LICENSE = \
 	Apache-2.0 (highwayhash, folly), \
 	MPL-2.0 (mozilla-ca-list.zeek)
 ZEEK_LICENSE_FILES = COPYING COPYING.3rdparty
+ZEEK_CPE_ID_VENDOR = zeek
 ZEEK_SUPPORTS_IN_SOURCE_BUILD = NO
 ZEEK_DEPENDENCIES = \
 	host-bison \