add en and ch sentences in translation.json

resource/locales/en_US/admin/admin.json

@@ -160,6 +160,7 @@
       "upload": "Upload",
       "discard": "Discard uploaded data",
       "errors": {
+        "versions_not_met": "the version of this growi and the growi that exported the data are not met",
         "at_least_one": "Select one or more collections.",
         "page_and_revision": "'Pages' and 'Revisions' must be imported both.",
         "depends": "'{{target}}' must be selected when '{{condition}}' is selected."

resource/locales/zh_CN/admin/admin.json

@@ -176,6 +176,7 @@
 			"upload": "Upload",
 			"discard": "Discard uploaded data",
 			"errors": {
+        "versions_not_met": "the version of this growi and the growi that exported the data are not met",
 				"at_least_one": "Select one or more collections.",
 				"page_and_revision": "'Pages' and 'Revisions' must be imported both.",
 				"depends": "'{{target}}' must be selected when '{{condition}}' is selected."