test: bump openai to 1.55.2

Author: ngxson

examples/server/tests/requirements.txt

@@ -2,6 +2,6 @@ aiohttp~=3.9.3
 pytest~=8.3.3
 huggingface_hub~=0.23.2
 numpy~=1.26.4
-openai~=1.30.3
+openai~=1.55.2
 prometheus-client~=0.20.0
 requests~=2.32.3