test: reduce integration tests concurrency to 8

Co-Authored-By: Claude Opus 4.6 <noreply@anthropic.com>

Author: vdusek

pyproject.toml

@@ -230,8 +230,8 @@ publish-to-pypi = "uv publish --token ${APIFY_PYPI_TOKEN_CRAWLEE}"
 type-check = "uv run ty check"
 unit-tests = "uv run pytest --numprocesses=${TESTS_CONCURRENCY:-auto} tests/unit"
 unit-tests-cov = "uv run pytest --numprocesses=${TESTS_CONCURRENCY:-auto} --cov=src/apify --cov-report=xml:coverage-unit.xml tests/unit"
-integration-tests = "uv run pytest --numprocesses=${TESTS_CONCURRENCY:-auto} tests/integration"
-integration-tests-cov = "uv run pytest --numprocesses=${TESTS_CONCURRENCY:-auto} --cov=src/apify --cov-report=xml:coverage-integration.xml tests/integration"
+integration-tests = "uv run pytest --numprocesses=${TESTS_CONCURRENCY:-8} tests/integration"
+integration-tests-cov = "uv run pytest --numprocesses=${TESTS_CONCURRENCY:-8} --cov=src/apify --cov-report=xml:coverage-integration.xml tests/integration"
 e2e-tests = "uv run pytest --numprocesses=${TESTS_CONCURRENCY:-auto} tests/e2e"
 e2e-tests-cov = "uv run pytest --numprocesses=${TESTS_CONCURRENCY:-auto} --cov=src/apify --cov-report=xml:coverage-e2e.xml tests/e2e"
 check-code = ["lint", "type-check", "unit-tests"]