Remove xformers as it breaks injections module on mac (#162)

* Remove xformers as it breaks injections module on mac
* Fix dependency cache key
* restrict to python >=3.8,<4 regen poetry.lock
* Pin poetry.lock torch to 2.0.0 and cleanup pyproject.toml split ranges

.github/workflows/langkit-ci.yml

@@ -31,12 +31,12 @@ jobs:
         name: Cache dependencies based on poetry.lock file
         with:
           path: ./.venv
-          key: venv-${{ runner.os }}-${{ steps.setup-python.outputs.python-version }}-${{ hashFiles('**/poetry.lock') }}
+          key: venv-${{ runner.os }}-${{ steps.setup-python.outputs.python-version }}-all-${{ hashFiles('**/poetry.lock') }}
       - name: check poetry env
         run: poetry env info
       - name: Install dependencies
         if: steps.poetry-cache.outputs.cache-hit != 'true'
-        run: poetry install
+        run: make install
       - name: Log cache hit
         if: steps.poetry-cache.outputs.cache-hit == 'true'
         run: echo 'poetry cache hit, skipping poetry install'

.github/workflows/push-release.yml

@@ -13,7 +13,7 @@ jobs:
       - name: Install Poetry
         uses: abatilo/actions-poetry@v2.0.0
         with:
-          poetry-version: 1.5.1
+          poetry-version: 1.6.1
       - name: Set up Python
         uses: actions/setup-python@v4
         with: