add common label cancel

resources/lang/en/label.php

@@ -31,6 +31,7 @@ return [
     'operator' => 'Operator',
     'action' => 'Action',
     'submit' => 'Submit',
+    'cancel' => 'Cancel',
     'reset' => 'Reset',
     'setting' => [
         'nav_text' => 'Setting',

resources/lang/zh_CN/label.php

@@ -31,6 +31,7 @@ return [
     'operator' => '操作者',
     'action' => '操作',
     'submit' => '提交',
+    'cancel' => '取消',
     'reset' => '重置',
     'setting' => [
         'nav_text' => '设置',

resources/lang/zh_TW/label.php

@@ -31,6 +31,7 @@ return [
     'operator' => '操作者',
     'action' => '操作',
     'submit' => '提交',
+    'cancel' => '取消',
     'reset' => '重置',
     'setting' => [
         'nav_text' => '設置',