package/luajit: add CPE_VERSION & CPE_UPDATE

Since this package hasn't had a proper release in a while this patch set
the CPE_VERSION and CPE_UPDATE to the latest tags available.

The annotation available on NVD all refers to this last available
version `cpe:2.3:a:luajit:luajit:2.1.0:beta3:*:*:*:*:*:*`.

See https://nvd.nist.gov/vuln/detail/CVE-2020-15890 for instance.

Signed-off-by: Thomas Perale <thomas.perale@mind.be>
Signed-off-by: Peter Korsgaard <peter@korsgaard.com>

package/luajit/luajit.mk

@@ -9,6 +9,8 @@ LUAJIT_SITE = $(call github,LuaJIT,LuaJIT,$(LUAJIT_VERSION))
 LUAJIT_LICENSE = MIT
 LUAJIT_LICENSE_FILES = COPYRIGHT
 LUAJIT_CPE_ID_VENDOR = luajit
+LUAJIT_CPE_ID_VERSION = 2.1.0
+LUAJIT_CPE_ID_UPDATE = beta3
 
 LUAJIT_INSTALL_STAGING = YES