fix dev requirements and lock playwright due to failing tests

requirements-dev.txt

@@ -1,2 +1,5 @@
 -r requirements.txt
 pytest
+pytest-asyncio
+selenium
+setuptools

requirements.txt

@@ -4,7 +4,7 @@ lxml~=5.3
 litellm~=1.48
 numpy>=1.26.0,<3
 pillow~=10.4
-playwright~=1.47
+playwright>=1.47,<1.48
 python-dotenv~=1.0
 requests~=2.26
 beautifulsoup4~=4.12