build: Update known-good for 1.1.126 header

Change-Id: I176f2b46099c8636972b6d9c281397fe18b096ac
diff --git a/scripts/known_good.json b/scripts/known_good.json
index ff6a980..4e921f8 100644
--- a/scripts/known_good.json
+++ b/scripts/known_good.json
@@ -6,7 +6,7 @@
       "sub_dir" : "Vulkan-Headers",
       "build_dir" : "Vulkan-Headers/build",
       "install_dir" : "Vulkan-Headers/build/install",
-      "commit" : "v1.1.125"
+      "commit" : "v1.1.126"
     }
   ],
   "install_names" : {