Update copilot-setup-steps.yml

Author: kristapratico

.github/workflows/copilot-setup-steps.yml

@@ -36,15 +36,22 @@ jobs:
         run: |
           python -m pip install -r eng/ci_tools.txt
 
-      - name: Set VIRTUALENV_OVERRIDE_APP_DATA
+      - name: Set persistent wheel cache path
         run: |
-          mkdir -p ${{ runner.temp }}/_virtualenv
-          echo "VIRTUALENV_OVERRIDE_APP_DATA=${{ runner.temp }}/_virtualenv" >> $GITHUB_ENV
+          echo "VIRTUALENV_OVERRIDE_APP_DATA=${{ github.workspace }}/.venv_app_data" >> $GITHUB_ENV
+
+      - name: Cache virtualenv wheel data
+        uses: actions/cache@v4
+        with:
+          path: .venv_app_data
+          key: venv-app-data-${{ runner.os }}-${{ hashFiles('**/pyproject.toml') }}
+          restore-keys: |
+            venv-app-data-${{ runner.os }}-
 
       - name: Populate the seed dir
         run: |
-          virtualenv --download --reset-app-data \
+          virtualenv --download \
             --pip=24.0 \
             --setuptools=75.3.2 \
             --wheel=0.45.1 \
-            ${{ runner.temp }}/_virtualenv
+            ${{ github.workspace }}/.venv_app_data