[gpt-oss] Add openai-harmony as default dependency (#22332)

Signed-off-by: Woosuk Kwon <[email protected]>
Co-authored-by: LiuXiaoxuanPKU <[email protected]>
Co-authored-by: simon-mo <[email protected]>
Co-authored-by: Chen Zhang <[email protected]>
Co-authored-by: Hongxia Yang <[email protected]>
Co-authored-by: Minseok Lee <[email protected]>
Co-authored-by: Yongye Zhu <[email protected]>

Author: 7 people

requirements/common.txt

@@ -49,3 +49,4 @@ ninja # Required for xgrammar, rocm, tpu, xpu
 pybase64 # fast base64 implementation
 cbor2 # Required for cross-language serialization of hashable objects
 setproctitle # Used to set process names for better debugging and monitoring
+openai-harmony >= 0.0.3  # Required for gpt-oss