環境変数名を変更

src/server/service/config-loader.js

@@ -392,7 +392,7 @@ const ENV_VAR_NAME_TO_CONFIG_INFO = {
     type:    TYPES.NUMBER,
     default: 7788,
   },
-  GROWI_CLOUD_URL: {
+  GROWI_CLOUD_URI: {
     ns:      'crowi',
     key:     'app:growiCloudUri',
     type:    TYPES.STRING,