Transformers version flexibility and FSDP optimizer patch (#2155)

* allow flexibility in transformers version for FSDP

* more flexibility with dev versions of 4.47.0.dev0

* add patch for fsdp

* fix typo

* correct fn name

* stray character

* fix patch

* reset Trainer too

* also reset Trainer.training_step

* allow tests/patched to run more than one process on e2e runner

* skip tests/patched in e2e for now since it's run in regular pytest

docker/Dockerfile-base

@@ -16,7 +16,7 @@ ENV PYTHON_VERSION=$PYTHON_VERSION
 ENV TORCH_CUDA_ARCH_LIST=$TORCH_CUDA_ARCH_LIST
 
 RUN apt-get update \
-    && apt-get install -y wget git build-essential ninja-build git-lfs libaio-dev && rm -rf /var/lib/apt/lists/* \
+    && apt-get install -y wget git build-essential ninja-build git-lfs libaio-dev pkg-config && rm -rf /var/lib/apt/lists/* \
     && wget \
     https://repo.anaconda.com/miniconda/Miniconda3-latest-Linux-x86_64.sh \
     && mkdir /root/.conda \