[PATCH for-4.18] SUPPORT.md: Define support lifetime

[Julien Grall <julien@xxxxxxx>]

From: Julien Grall <jgrall@xxxxxxxxxx>

Signed-off-by: Julien Grall <jgrall@xxxxxxxxxx>
---
 SUPPORT.md | 8 ++++----
 1 file changed, 4 insertions(+), 4 deletions(-)

diff --git a/SUPPORT.md b/SUPPORT.md
index fff4b4c5bad6..c452635eb552 100644
--- a/SUPPORT.md
+++ b/SUPPORT.md
@@ -9,10 +9,10 @@ for the definitions of the support status levels etc.
 
 # Release Support
 
-    Xen-Version: 4.18-rc
-    Initial-Release: n/a
-    Supported-Until: TBD
-    Security-Support-Until: Unreleased - not yet security-supported
+    Xen-Version: 4.18
+    Initial-Release: 2023-11-16
+    Supported-Until: 2025-05-16
+    Security-Support-Until: 2025-11-16
 
 Release Notes
 : <a 
href="https://wiki.xenproject.org/wiki/Xen_Project_X.YY_Release_Notes";>RN</a>
-- 
2.40.1