[nongnu] elpa/gptel updated (3d5fecc900 -> 21d2b1bc34)

[ELPA Syncer]

elpasync pushed a change to branch elpa/gptel.

      from  3d5fecc900 gptel-bedrock: Add request-params support to Bedrock 
backend
       new  54687edb3d gptel-gemini: add gemini-2.5-flash-lite GA model (#986)
       new  21d2b1bc34 gptel-gemini: Update model list; remove deprecated models


Summary of changes:
 NEWS            |  12 ++++
 gptel-gemini.el | 209 ++++++++++++++++++++++----------------------------------
 2 files changed, 93 insertions(+), 128 deletions(-)