package/json-c: update JSON_C_CPE_ID_VENDOR

cpe:2.3:a:json-c_project:json-c has been deprecated in favor of
cpe:2.3:a:json-c:json-c in September 2023:

  <cpe-item name="cpe:/a:json-c_project:json-c:0.14" deprecated="true" deprecation_date="2023-09-16T13:05:58.643Z">
    <title xml:lang="en-US">JSON-C Project JSON-C 0.14</title>
      <reference href="https://github.com/json-c/json-c/releases">Version</reference>
    <cpe-23:cpe23-item name="cpe:2.3:a:json-c_project:json-c:0.14:*:*:*:*:*:*:*">
        <cpe-23:deprecated-by name="cpe:2.3:a:json-c:json-c:0.14-20200419:*:*:*:*:*:*:*" type="NAME_CORRECTION"/>

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

package/json-c/json-c.mk

@@ -9,7 +9,7 @@ JSON_C_SITE = https://s3.amazonaws.com/json-c_releases/releases
 JSON_C_INSTALL_STAGING = YES
 JSON_C_LICENSE = MIT
 JSON_C_LICENSE_FILES = COPYING
-JSON_C_CPE_ID_VENDOR = json-c_project
+JSON_C_CPE_ID_VENDOR = json-c
 JSON_C_CONF_OPTS = -DBUILD_APPS=OFF -DDISABLE_EXTRA_LIBS=ON
 
 $(eval $(cmake-package))