docs(changelog): changelog for lts-v2.8.17 release

Change-Id: Icd99a374909938d992c19f21884b8450aa5c7423
Signed-off-by: Release CI <ci@trustedfirmware.org>
diff --git a/docs/conf.py b/docs/conf.py
index 6a89e22..228644c 100644
--- a/docs/conf.py
+++ b/docs/conf.py
@@ -14,8 +14,8 @@
 
 project = "Trusted Firmware-A"
 author = "Trusted Firmware-A contributors"
-version = "2.8.16"
-release = "2.8.16"
+version = "2.8.17"
+release = "2.8.17"
 
 # -- General configuration ---------------------------------------------------