Update branches.json for 9.1.5 release

elasticsearchmachine · elasticsearchmachine · commit c49cb614acfb · 2025-10-06T15:29:05.000Z
diff --git a/branches.json b/branches.json
@@ -11,7 +11,7 @@
     },
     {
       "branch" : "9.1",
-      "version" : "9.1.5"
+      "version" : "9.1.6"
     },
     {
       "branch" : "9.0",
