fix(funasr): select Python 3.12 tokenizers

FunASR left Transformers and Hugging Face Hub unconstrained, which let uv backtrack to tokenizers 0.10.3 without Python 3.12 wheels. Keep Transformers on the supported 4.x range, including the Intel upgrade profile.\n\nAssisted-by: nib:gpt-5.6-sol\nSigned-off-by: Ettore Di Giacinto <mudler@localai.io>

backend/python/funasr/requirements-intel.txt

@@ -2,3 +2,4 @@
 torch
 torchaudio
 funasr
+transformers>=4.32.0,<5

backend/python/funasr/requirements.txt

@@ -3,3 +3,4 @@ protobuf
 certifi
 packaging==24.1
 setuptools
+transformers>=4.32.0,<5