Update branches.json for 8.18.8 release

elasticsearchmachine · elasticsearchmachine · commit 9222ad5307e7 · 2025-10-07T07:24:41.000Z
diff --git a/branches.json b/branches.json
@@ -23,7 +23,7 @@
     },
     {
       "branch" : "8.18",
-      "version" : "8.18.8"
+      "version" : "8.18.9"
     },
     {
       "branch" : "7.17",
