[elpa] externals/llm updated (6d6c88c20a -> 3afea0eb69)

[ELPA Syncer]

elpasync pushed a change to branch externals/llm.

      from  6d6c88c20a Fix Gemini streaming tool calls (#205)
       new  91c7fdcd09 Add Open AI's GPT-5 models (#207)
       new  3afea0eb69 Update version to 0.27.1


Summary of changes:
 NEWS.org           |  1 +
 llm-models-test.el |  2 +-
 llm-models.el      | 20 ++++++++++++++++++++
 llm.el             |  2 +-
 4 files changed, 23 insertions(+), 2 deletions(-)