ci: Temporarily exclude Playwright tests to diagnose CI hang

Author: janbuchar

.github/workflows/_tests.yaml

@@ -21,3 +21,4 @@ jobs:
       python_version_for_codecov: "3.14"
       operating_system_for_codecov: ubuntu-latest
       tests_concurrency: "8"
+      run_tests_command: "uv run pytest --numprocesses=1 -m 'run_alone' --ignore=tests/unit/crawlers/_playwright --ignore=tests/unit/crawlers/_adaptive_playwright --ignore=tests/unit/browsers tests/unit && uv run pytest --numprocesses=${TESTS_CONCURRENCY:-auto} -m 'not run_alone' --ignore=tests/unit/crawlers/_playwright --ignore=tests/unit/crawlers/_adaptive_playwright --ignore=tests/unit/browsers tests/unit"