Update .github/workflows/playwright.yml

Co-authored-by: Copilot <175728472+Copilot@users.noreply.github.com>

Author: gkorland

.github/workflows/playwright.yml

@@ -39,6 +39,8 @@ jobs:
       with:
         path: ${{ github.workspace }}/repositories
         key: ${{ runner.os }}-seed-repos-${{ hashFiles('e2e/seed_test_data.py') }}-${{ steps.seed-repo-shas.outputs.graphrag_sdk }}-${{ steps.seed-repo-shas.outputs.flask }}
+        restore-keys: |
+          ${{ runner.os }}-seed-repos-${{ hashFiles('e2e/seed_test_data.py') }}-
 
     - name: Install backend dependencies
       run: pip install -e .