Update action.yml to cache pip dependencies (#87)

action.yml

@@ -71,11 +71,17 @@ runs:
         ref: ${{ github.head_ref || github.ref }}
         fetch-depth: 0
 
+    - name: Set up Python
+      uses: actions/setup-python@v5
+      with:
+        python-version: "3.x"
+        cache: "pip" # caching pip dependencies
+
     - name: Install Dependencies
-      # tomli required for codespell with pyproject.toml
+      # Note tomli required for codespell with pyproject.toml
       if: github.event.action != 'closed'
       run: |
-        pip install --no-cache -q \
+        pip install -q \
         ruff docformatter codespell tomli \
         mdformat-gfm mdformat-frontmatter mdformat-mkdocs
       shell: bash
@@ -167,11 +173,10 @@ runs:
         OPENAI_AZURE_API_KEY: ${{ inputs.openai_azure_api_key }}
         OPENAI_AZURE_ENDPOINT: ${{ inputs.openai_azure_endpoint }}
         OPENAI_MODEL: ${{ inputs.openai_model }}
+      # Note file must be run remotely, not with "python utils/run_pr_summary.py"
       run: |
-        pip install --no-cache -q openai
-        # python utils/run_pr_summary.py
-        curl -o run_pr_summary.py "https://github.com/raw/ultralytics/actions/main/utils/run_pr_summary.py"
-        python run_pr_summary.py
+        pip install -q openai
+        curl -s "https://github.com/raw/ultralytics/actions/main/utils/run_pr_summary.py" | python -
       shell: bash
       continue-on-error: true