Update GraphDef version to 1166.

PiperOrigin-RevId: 455776204
diff --git a/tensorflow/core/public/version.h b/tensorflow/core/public/version.h
index d6c0ff0..e4dc860 100644
--- a/tensorflow/core/public/version.h
+++ b/tensorflow/core/public/version.h
@@ -108,7 +108,7 @@
 
 #define TF_GRAPH_DEF_VERSION_MIN_PRODUCER 0
 #define TF_GRAPH_DEF_VERSION_MIN_CONSUMER 0
-#define TF_GRAPH_DEF_VERSION 1165  // Updated: 2022/6/17
+#define TF_GRAPH_DEF_VERSION 1166  // Updated: 2022/6/18
 
 // Checkpoint compatibility versions (the versions field in SavedSliceMeta).
 //