Merge branch 'kg2' into 'master'

Update known_good_khr.json to vulkan-1.1-rc3

See merge request GLSL/glslang!33
diff --git a/known_good_khr.json b/known_good_khr.json
index e1a7a0f..90923f2 100644
--- a/known_good_khr.json
+++ b/known_good_khr.json
@@ -5,14 +5,14 @@
       "site" : "gitlab",
       "subrepo" : "spirv/spirv-tools",
       "subdir" : "External/spirv-tools",
-      "commit" : "65457244d0135e91815fef57dc662f9b39232284"
+      "commit" : "310036ac3178121e8acbe4a3ae37ddc8a49ee207"
     },
     {
       "name" : "spirv-tools/external/spirv-headers",
       "site" : "gitlab",
       "subrepo" : "spirv/SPIRV-Headers",
       "subdir" : "External/spirv-tools/external/spirv-headers",
-      "commit" : "854b5dda6149c481d6faf0b9c760c311ab45b05d"
+      "commit" : "efb8e1ed195654ab5144bc7443192236eb5a9f94"
     }
   ]
 }