first pass at pytorch 2.5.0 support (#1982)

* first pass at pytorch 2.5.0 support

* attempt to install causal_conv1d with mamba

* gracefully handle missing xformers

* fix import

* fix incorrect version, add 2.5.0

* increase tests timeout

docker/Dockerfile

@@ -20,7 +20,6 @@ RUN git clone --depth=1 https://github.com/axolotl-ai-cloud/axolotl.git
 WORKDIR /workspace/axolotl
 
 # If AXOLOTL_EXTRAS is set, append it in brackets
-RUN pip install causal_conv1d
 RUN if [ "$AXOLOTL_EXTRAS" != "" ] ; then \
         pip install -e .[deepspeed,flash-attn,optimizers,$AXOLOTL_EXTRAS] $AXOLOTL_ARGS; \
     else \