update version

package.json

@@ -5,7 +5,7 @@
   "scripts": {
     "build": "tsc --project package",
     "change": "beachball change",
-    "bump": "beachball bump"
+    "bump": "beachball bump && pushd package && yarn codegen && popd"
   },
   "repository": {
     "type": "git",

package/windows/ReactNativeXaml/Codegen/Version.g.h

@@ -7,4 +7,4 @@ THIS FILE WAS AUTOMATICALLY GENERATED, DO NOT MODIFY MANUALLY
 #define VERSION_MAJOR               0
 #define VERSION_MINOR               0
 #define VERSION_REVISION            0
-#define VERSION_BUILD               50
+#define VERSION_BUILD               51