ci: Run playwright tests in proper image

.forgejo/workflows/ci.yaml

@@ -56,7 +56,7 @@ jobs:
   test:
     runs-on: [linux, docker]
     container:
-      image: catthehacker/ubuntu:act-latest
+      image: mcr.microsoft.com/playwright:v1.58.0-jammy
     steps:
       - uses: actions/checkout@v4
       - name: Set up Python
@@ -67,7 +67,7 @@ jobs:
         run: |
           set -x
           python -m pip install --upgrade pip
-          pip install pytest pytest-asyncio httpx
+          pip install pytest pytest-asyncio httpx playwright==1.58.0
           pip install nicegui fastapi uvicorn yfinance polars pandas pydantic pyyaml
           pip list
       - name: Run tests