Update GraphDef version to 908.

PiperOrigin-RevId: 400515859
Change-Id: Ib6247ed7ffcb804488b4c9f6ec4b84d559311ca3
diff --git a/tensorflow/core/public/version.h b/tensorflow/core/public/version.h
index c0b25cd..cc8f445 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 907  // Updated: 2021/10/2
+#define TF_GRAPH_DEF_VERSION 908  // Updated: 2021/10/3
 
 // Checkpoint compatibility versions (the versions field in SavedSliceMeta).
 //