Update Resend SDK and resend api url in configuration. (#1963)

docker/docker-compose.yaml

@@ -111,6 +111,7 @@ services:
       MAIL_DEFAULT_SEND_FROM: 'YOUR EMAIL FROM (eg: no-reply <no-reply@dify.ai>)'
       # the api-key for resend (https://resend.com)
       RESEND_API_KEY: ''
+      RESEND_API_URL: https://api.resend.com
       # The DSN for Sentry error reporting. If not set, Sentry error reporting will be disabled.
       SENTRY_DSN: ''
       # The sample rate for Sentry events. Default: `1.0`
@@ -191,6 +192,7 @@ services:
       MAIL_DEFAULT_SEND_FROM: 'YOUR EMAIL FROM (eg: no-reply <no-reply@dify.ai>)'
       # the api-key for resend (https://resend.com)
       RESEND_API_KEY: ''
+      RESEND_API_URL: https://api.resend.com
     depends_on:
       - db
       - redis