docs(changelog): changelog for lts-v2.10.15 release

Change-Id: I389e594db6ea28cde73f1d808aa21b215b5ca541
Signed-off-by: Release CI <ci@trustedfirmware.org>
diff --git a/package.json b/package.json
index 4c342c6..a78d791 100644
--- a/package.json
+++ b/package.json
@@ -1,6 +1,6 @@
 {
   "name": "trusted-firmware-a",
-  "version": "2.10.14",
+  "version": "2.10.15",
   "license": "BSD-3-Clause",
   "type": "module",
   "private": true,