Add a github action to use pip xformers package for dependencies.

.github/workflows/windows_release_cu118_dependencies_2.yml

+name: "Windows Release cu118 dependencies 2"
+
+on:
+  workflow_dispatch:
+#  push:
+#    branches:
+#      - master
+
+jobs:
+  build_dependencies:
+    runs-on: windows-latest
+    steps:
+        - uses: actions/checkout@v3
+        - uses: actions/setup-python@v4
+          with:
+            python-version: '3.10.9'
+
+        - shell: bash
+          run: |
+            python -m pip wheel --no-cache-dir torch torchvision torchaudio xformers==0.0.19.dev516 --extra-index-url https://download.pytorch.org/whl/cu118 -r requirements.txt pygit2 -w ./temp_wheel_dir
+            python -m pip install --no-cache-dir ./temp_wheel_dir/*
+            echo installed basic
+            ls -lah temp_wheel_dir
+            mv temp_wheel_dir cu118_python_deps
+            tar cf cu118_python_deps.tar cu118_python_deps
+
+        - uses: actions/cache/save@v3
+          with:
+            path: cu118_python_deps.tar
+            key: ${{ runner.os }}-build-cu118