feat: add Mistral Small 4 (#3502)

* feat: add mistral small 4

* fix: update mistral common

* fix: deepcopy when passing in tokenizer

* feat: add doc on reasoning and thinking section

* fix: don't use custom tokenizer and quantize experts

* chore: update docs and configs

* chore: update doc to follow official name

* feat: update cce to include mistral4

* chore: move

* fix: naming

* fix: test mock breaking get_text_config check

* fix: enable CCE and add expert block targetting to configs

* chore: docs

* fix: use act checkpointing

* chore: doc

* chore: docs

* chore: docs

scripts/cutcrossentropy_install.py

@@ -29,5 +29,5 @@ UV_PREFIX = "uv " if USE_UV else ""
 
 print(
     UNINSTALL_PREFIX
-    + f'{UV_PREFIX}pip install "cut-cross-entropy[transformers] @ git+https://github.com/axolotl-ai-cloud/ml-cross-entropy.git@e8ad129"'
+    + f'{UV_PREFIX}pip install "cut-cross-entropy[transformers] @ git+https://github.com/axolotl-ai-cloud/ml-cross-entropy.git@fa9a7fe"'
 )