chore: Dependency fixes (#1216)

* `requests-unixsocket` was finally updated to fix the bug introduced by `requests`, meaning we no longer need the `requests-unixsocket2` fork
* Pip dependency resolution bug has been fixed for several years, meaning we no longer need to micromanage the urllib3 dependency

Author: cartertinney

requirements_test.txt

@@ -10,3 +10,4 @@ azure-iothub-provisioningserviceclient >= 1.2.0  # Only needed for provisioning
 azure-eventhub                                   # Only needed for iothub e2e
 psutil                                           # Only needed for iothub e2e
 six                                              # Needed due to a missing dependency in azure-iot-hub
+urllib3<3.0.0                                    # Needed for mocking the requests stack

setup.py

@@ -71,14 +71,10 @@
         "Programming Language :: Python :: 3.12",
     ],
     install_requires=[
-        # Define sub-dependencies due to pip dependency resolution bug
-        # https://github.com/pypa/pip/issues/988
-        "urllib3>=2.2.2,<3.0.0",
-        # Actual project dependencies
         "deprecation>=2.1.0,<3.0.0",
         "paho-mqtt>=2.0.0,<3.0.0",
         "requests>=2.32.3,<3.0.0",
-        "requests-unixsocket2>=0.4.1",
+        "requests-unixsocket>=0.4.1",
         "janus",
         "PySocks",
         "typing_extensions",