ci: remove Poetry cache on copier job

Author: browniebroke

.github/workflows/ci.yml

@@ -68,13 +68,11 @@ jobs:
     name: "Generated: ${{ matrix.script.name }} ${{ matrix.extra_options.label }}"
     steps:
       - uses: actions/checkout@v4
-      - run: pipx install poetry
       - uses: actions/setup-python@v5
         with:
           python-version: "3.11"
-      - run: poetry install
       - run: |
-          poetry run copier copy \
+          pipx run copier copy \
           . \
           my-project \
           --UNSAFE \
@@ -90,6 +88,7 @@ jobs:
       - run: cat pyproject.toml
         working-directory: my-project
         shell: bash
+      - run: pipx install poetry
       - run: poetry install --with docs
         working-directory: my-project
         shell: bash