Update CI (#13774)

### What problem does this PR solve?

CI isn't stable, try to fix it.

### Type of change

- [x] Bug Fix (non-breaking change which fixes an issue)

---------

Signed-off-by: Jin Hai <haijin.chn@gmail.com>

api/ragflow_server.py

@@ -14,9 +14,7 @@
 #  limitations under the License.
 #
 
-# from beartype import BeartypeConf
-# from beartype.claw import beartype_all  # <-- you didn't sign up for this
-# beartype_all(conf=BeartypeConf(violation_type=UserWarning))    # <-- emit warnings from all code
+print("Start RAGFlow server...")
 
 import time
 start_ts = time.time()