Update GraphDef version to 629.

PiperOrigin-RevId: 349250486
Change-Id: I958315461cda768a850b933bb09e9262d96173b2
diff --git a/tensorflow/core/public/version.h b/tensorflow/core/public/version.h
index e9ea905..a0cfd60 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 628  // Updated: 2020/12/27
+#define TF_GRAPH_DEF_VERSION 629  // Updated: 2020/12/28
 
 // Checkpoint compatibility versions (the versions field in SavedSliceMeta).
 //