fix typo

packages/app/src/server/routes/apiv3/security-setting.js

@@ -462,7 +462,7 @@ module.exports = (crowi) => {
       googleOAuth: {
         googleClientId: await crowi.configManager.getConfig('crowi', 'security:passport-google:clientId'),
         googleClientSecret: await crowi.configManager.getConfig('crowi', 'security:passport-google:clientSecret'),
-        isSameUsernameTreatedAsIdenticalUser: await crowi.configManager.getConfig('crowi', 'security:passport-google:isSameUsernameTreatedAsIdenticalUser'),
+        isSameEmailTreatedAsIdenticalUser: await crowi.configManager.getConfig('crowi', 'security:passport-google:isSameEmailTreatedAsIdenticalUser'),
       },
       githubOAuth: {
         githubClientId: await crowi.configManager.getConfig('crowi', 'security:passport-github:clientId'),