doc: relnotes/3.7: Add info about CVE-2024-6444

Information about CVE-2024-6444 in release notes.

Signed-off-by: Flavio Ceolin <[email protected]>

Author: Flavio Ceolin

doc/releases/release-notes-3.7.rst

@@ -98,6 +98,8 @@ https://docs.zephyrproject.org/latest/security/vulnerabilities.html
 
 * CVE-2024-6443: Under embargo until 2024-09-22
 
+* CVE-2024-6444: Under embargo until 2024-09-22
+
 API Changes
 ***********