Docs: Release notes for v2.1.2

Add notes for LTS TF-Mv2.1.2.

Signed-off-by: Nicola Mazzucato <nicola.mazzucato@arm.com>
Change-Id: I41a42da8391a0d2178abde8264353c25e736585c
diff --git a/docs/conf.py b/docs/conf.py
index 9a35392..825ad1a 100644
--- a/docs/conf.py
+++ b/docs/conf.py
@@ -20,7 +20,7 @@
 # -- Project information -----------------------------------------------------
 
 project = 'Trusted Firmware-M'
-copyright = '2017-2024, ARM CE-OSS'
+copyright = '2017-2025, ARM CE-OSS'
 author = 'ARM CE-OSS'
 title = 'User Guide'