ci: fix playwright cache

Author: metonym

.github/workflows/ci.yml

@@ -16,8 +16,8 @@ jobs:
       - uses: actions/cache@v4
         id: playwright-cache
         with:
-          path: /home/runner/.cache/ms-playwright
-          key: ${{ runner.os }}-playwright-1.43.0
+          path: ~/.cache/ms-playwright
+          key: playwright-1.43.0
 
       - name: Install dependencies
         run: bun install