webdriver: Update requests toversion compatible with urllib3 2.3.x

This will fix this build issue:

    The conflict is caused by:
        The user requested urllib3==2.3
        requests 2.24.0 depends on urllib3!=1.25.0, !=1.25.1, <1.26 and >=1.21.1

As observed in this build log:

  https://github.com/Igalia/wpe-android/actions/runs/14083678380/job/39442196041#step:8:312

Author: aperezdc

tools/scripts/webkitpy/requirements.txt

@@ -3,6 +3,6 @@ mozprocess==1.3.0
 pytest==7.2.0
 pytest_timeout==2.1.0
 pytest_asyncio==0.18.3
-requests==2.24
+requests~=2.32
 websockets==8.1
-urllib3==2.3
+urllib3~=2.3